80652129 has 4 divisors (see below), whose sum is σ = 107536176. Its totient is φ = 53768084.

The previous prime is 80652101. The next prime is 80652157. The reversal of 80652129 is 92125608.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (80652101) and next prime (80652157).

It is a cyclic number.

It is not a de Polignac number, because 80652129 - 2⁷ = 80652001 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80652129.

It is not an unprimeable number, because it can be changed into a prime (80652629) 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, 13442019 + ... + 13442024.

It is an arithmetic number, because the mean of its divisors is an integer number (26884044).

Almost surely, 2^80652129 is an apocalyptic number.

It is an amenable number.

80652129 is a deficient number, since it is larger than the sum of its proper divisors (26884047).

80652129 is a wasteful number, since it uses less digits than its factorization.

80652129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26884046.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 80652129 is about 8980.6530386158. The cubic root of 80652129 is about 432.0545787953.

The spelling of 80652129 in words is "eighty million, six hundred fifty-two thousand, one hundred twenty-nine".