253097385 has 16 divisors (see below), whose sum is σ = 426269760. Its totient is φ = 127880640.

The previous prime is 253097381. The next prime is 253097389. The reversal of 253097385 is 583790352.

It is an interprime number because it is at equal distance from previous prime (253097381) and next prime (253097389).

It is not a de Polignac number, because 253097385 - 2² = 253097381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253097381) 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, 443746 + ... + 444315.

It is an arithmetic number, because the mean of its divisors is an integer number (26641860).

Almost surely, 2^253097385 is an apocalyptic number.

It is an amenable number.

253097385 is a deficient number, since it is larger than the sum of its proper divisors (173172375).

253097385 is a wasteful number, since it uses less digits than its factorization.

253097385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888088.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 253097385 is about 15909.0346973033. The cubic root of 253097385 is about 632.5514942947.

The spelling of 253097385 in words is "two hundred fifty-three million, ninety-seven thousand, three hundred eighty-five".