87529265 has 4 divisors (see below), whose sum is σ = 105035124. Its totient is φ = 70023408.

The previous prime is 87529261. The next prime is 87529271. The reversal of 87529265 is 56292578.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56292578 = 2 ⋅28146289.

It can be written as a sum of positive squares in 2 ways, for example, as 50708641 + 36820624 = 7121^2 + 6068^2 .

It is a cyclic number.

It is not a de Polignac number, because 87529265 - 2² = 87529261 is a prime.

It is a super-2 number, since 2×87529265² = 15322744462880450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87529261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8752922 + ... + 8752931.

It is an arithmetic number, because the mean of its divisors is an integer number (26258781).

Almost surely, 2^87529265 is an apocalyptic number.

It is an amenable number.

87529265 is a deficient number, since it is larger than the sum of its proper divisors (17505859).

87529265 is a wasteful number, since it uses less digits than its factorization.

87529265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17505858.

The product of its digits is 302400, while the sum is 44.

The square root of 87529265 is about 9355.7076162095. The cubic root of 87529265 is about 444.0014896603.

The spelling of 87529265 in words is "eighty-seven million, five hundred twenty-nine thousand, two hundred sixty-five".