252855807 has 16 divisors (see below), whose sum is σ = 359707392. Its totient is φ = 157439360.

The previous prime is 252855787. The next prime is 252855829. The reversal of 252855807 is 708558252.

It is a cyclic number.

It is not a de Polignac number, because 252855807 - 2¹⁴ = 252839423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252855847) 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 15 ways as a sum of consecutive naturals, for example, 12243 + ... + 25604.

It is an arithmetic number, because the mean of its divisors is an integer number (22481712).

Almost surely, 2^252855807 is an apocalyptic number.

252855807 is a deficient number, since it is larger than the sum of its proper divisors (106851585).

252855807 is a wasteful number, since it uses less digits than its factorization.

252855807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37998.

The product of its (nonzero) digits is 224000, while the sum is 42.

The square root of 252855807 is about 15901.4404064537. The cubic root of 252855807 is about 632.3501763064.

The spelling of 252855807 in words is "two hundred fifty-two million, eight hundred fifty-five thousand, eight hundred seven".