253567457 has 16 divisors (see below), whose sum is σ = 298613952. Its totient is φ = 212272320.

The previous prime is 253567451. The next prime is 253567459. The reversal of 253567457 is 754765352.

253567457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253567457 - 2¹⁸ = 253305313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253567451) 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, 64883 + ... + 68679.

It is an arithmetic number, because the mean of its divisors is an integer number (18663372).

Almost surely, 2^253567457 is an apocalyptic number.

It is an amenable number.

253567457 is a deficient number, since it is larger than the sum of its proper divisors (45046495).

253567457 is a wasteful number, since it uses less digits than its factorization.

253567457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4288.

The product of its digits is 882000, while the sum is 44.

The square root of 253567457 is about 15923.8015875607. The cubic root of 253567457 is about 632.9428599238.

The spelling of 253567457 in words is "two hundred fifty-three million, five hundred sixty-seven thousand, four hundred fifty-seven".