252697797 has 12 divisors (see below), whose sum is σ = 398190624. Its totient is φ = 153150120.

The previous prime is 252697751. The next prime is 252697847. The reversal of 252697797 is 797796252.

It is not a de Polignac number, because 252697797 - 2¹⁵ = 252665029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252697717) 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 11 ways as a sum of consecutive naturals, for example, 1276153 + ... + 1276350.

It is an arithmetic number, because the mean of its divisors is an integer number (33182552).

Almost surely, 2^252697797 is an apocalyptic number.

It is an amenable number.

252697797 is a deficient number, since it is larger than the sum of its proper divisors (145492827).

252697797 is a wasteful number, since it uses less digits than its factorization.

252697797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552520 (or 2552517 counting only the distinct ones).

The product of its digits is 3333960, while the sum is 54.

The square root of 252697797 is about 15896.4712121905. The cubic root of 252697797 is about 632.2184299794.

The spelling of 252697797 in words is "two hundred fifty-two million, six hundred ninety-seven thousand, seven hundred ninety-seven".