252557929 has 8 divisors (see below), whose sum is σ = 272143872. Its totient is φ = 232994640.

The previous prime is 252557923. The next prime is 252557939. The reversal of 252557929 is 929755252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252557929 - 2⁷ = 252557801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252557923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22842 + ... + 32044.

It is an arithmetic number, because the mean of its divisors is an integer number (34017984).

Almost surely, 2^252557929 is an apocalyptic number.

It is an amenable number.

252557929 is a deficient number, since it is larger than the sum of its proper divisors (19585943).

252557929 is a wasteful number, since it uses less digits than its factorization.

252557929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11327.

The product of its digits is 567000, while the sum is 46.

The square root of 252557929 is about 15892.0712621105. The cubic root of 252557929 is about 632.1017643440.

The spelling of 252557929 in words is "two hundred fifty-two million, five hundred fifty-seven thousand, nine hundred twenty-nine".