253125917 has 16 divisors (see below), whose sum is σ = 284649792. Its totient is φ = 223067520.

The previous prime is 253125913. The next prime is 253125931. The reversal of 253125917 is 719521352.

It is a cyclic number.

It is not a de Polignac number, because 253125917 - 2² = 253125913 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253125911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126398 + ... + 128384.

It is an arithmetic number, because the mean of its divisors is an integer number (17790612).

Almost surely, 2^253125917 is an apocalyptic number.

It is an amenable number.

253125917 is a deficient number, since it is larger than the sum of its proper divisors (31523875).

253125917 is a wasteful number, since it uses less digits than its factorization.

253125917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348.

The product of its digits is 18900, while the sum is 35.

The square root of 253125917 is about 15909.9313952009. The cubic root of 253125917 is about 632.5752628547.

The spelling of 253125917 in words is "two hundred fifty-three million, one hundred twenty-five thousand, nine hundred seventeen".