257474053 has 8 divisors (see below), whose sum is σ = 266781600. Its totient is φ = 248331408.

The previous prime is 257474047. The next prime is 257474071. The reversal of 257474053 is 350474752.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 257474053 - 2²⁵ = 223919621 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 (257474033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38043 + ... + 44296.

It is an arithmetic number, because the mean of its divisors is an integer number (33347700).

Almost surely, 2^257474053 is an apocalyptic number.

It is an amenable number.

257474053 is a deficient number, since it is larger than the sum of its proper divisors (9307547).

257474053 is an equidigital number, since it uses as much as digits as its factorization.

257474053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82451.

The product of its (nonzero) digits is 117600, while the sum is 37.

The square root of 257474053 is about 16045.9980368938. The cubic root of 257474053 is about 636.1767939673.

The spelling of 257474053 in words is "two hundred fifty-seven million, four hundred seventy-four thousand, fifty-three".