253057057 has 16 divisors (see below), whose sum is σ = 281333952. Its totient is φ = 225688320.

The previous prime is 253057027. The next prime is 253057069. The reversal of 253057057 is 750750352.

It is not a de Polignac number, because 253057057 - 2²³ = 244668449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253057027) 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, 230133 + ... + 231229.

It is an arithmetic number, because the mean of its divisors is an integer number (17583372).

Almost surely, 2^253057057 is an apocalyptic number.

It is an amenable number.

253057057 is a deficient number, since it is larger than the sum of its proper divisors (28276895).

253057057 is a wasteful number, since it uses less digits than its factorization.

253057057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488.

The product of its (nonzero) digits is 36750, while the sum is 34.

The square root of 253057057 is about 15907.7671909039. The cubic root of 253057057 is about 632.5178960394.

The spelling of 253057057 in words is "two hundred fifty-three million, fifty-seven thousand, fifty-seven".