252532407 has 8 divisors (see below), whose sum is σ = 344922480. Its totient is φ = 164248640.

The previous prime is 252532391. The next prime is 252532409. The reversal of 252532407 is 704235252.

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 252532407 - 2⁴ = 252532391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252532409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026432 + ... + 1026677.

It is an arithmetic number, because the mean of its divisors is an integer number (43115310).

Almost surely, 2^252532407 is an apocalyptic number.

252532407 is a deficient number, since it is larger than the sum of its proper divisors (92390073).

252532407 is a wasteful number, since it uses less digits than its factorization.

252532407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053153.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 252532407 is about 15891.2682627914. The cubic root of 252532407 is about 632.0804714803.

Adding to 252532407 its reverse (704235252), we get a palindrome (956767659).

The spelling of 252532407 in words is "two hundred fifty-two million, five hundred thirty-two thousand, four hundred seven".