252926985 has 16 divisors (see below), whose sum is σ = 417738240. Its totient is φ = 130542720.

The previous prime is 252926983. The next prime is 252926987. The reversal of 252926985 is 589629252.

It is an interprime number because it is at equal distance from previous prime (252926983) and next prime (252926987).

It is not a de Polignac number, because 252926985 - 2¹ = 252926983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252926983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271500 + ... + 272429.

It is an arithmetic number, because the mean of its divisors is an integer number (26108640).

Almost surely, 2^252926985 is an apocalyptic number.

It is an amenable number.

252926985 is a deficient number, since it is larger than the sum of its proper divisors (164811255).

252926985 is a wasteful number, since it uses less digits than its factorization.

252926985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543968.

The product of its digits is 777600, while the sum is 48.

The square root of 252926985 is about 15903.6783481055. The cubic root of 252926985 is about 632.4095055063.

The spelling of 252926985 in words is "two hundred fifty-two million, nine hundred twenty-six thousand, nine hundred eighty-five".