89252129 has 4 divisors (see below), whose sum is σ = 89309076. Its totient is φ = 89195184.

The previous prime is 89252113. The next prime is 89252147. The reversal of 89252129 is 92125298.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92125298 = 2 ⋅46062649.

It can be written as a sum of positive squares in 2 ways, for example, as 34492129 + 54760000 = 5873^2 + 7400^2 .

It is a cyclic number.

It is not a de Polignac number, because 89252129 - 2⁴ = 89252113 is a prime.

It is a super-3 number, since 3×89252129³ (a number of 25 digits) contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89252092 and 89252101.

It is not an unprimeable number, because it can be changed into a prime (89252179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26054 + ... + 29279.

It is an arithmetic number, because the mean of its divisors is an integer number (22327269).

Almost surely, 2^89252129 is an apocalyptic number.

It is an amenable number.

89252129 is a deficient number, since it is larger than the sum of its proper divisors (56947).

89252129 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (89252128) it forms an eRAP, since the sums of their prime factors are consecutive (56945 and 56946).

89252129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56946.

The product of its digits is 25920, while the sum is 38.

The square root of 89252129 is about 9447.3344918024. The cubic root of 89252129 is about 446.8957194429.

The spelling of 89252129 in words is "eighty-nine million, two hundred fifty-two thousand, one hundred twenty-nine".