257503041 has 12 divisors (see below), whose sum is σ = 374879232. Its totient is φ = 170316216.

The previous prime is 257503033. The next prime is 257503069. The reversal of 257503041 is 140305752.

It is a happy number.

It is not a de Polignac number, because 257503041 - 2³ = 257503033 is a prime.

It is a super-2 number, since 2×257503041² = 132615632248495362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 257502996 and 257503014.

It is not an unprimeable number, because it can be changed into a prime (257503031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111501 + ... + 113786.

It is an arithmetic number, because the mean of its divisors is an integer number (31239936).

Almost surely, 2^257503041 is an apocalyptic number.

It is an amenable number.

257503041 is a deficient number, since it is larger than the sum of its proper divisors (117376191).

257503041 is a wasteful number, since it uses less digits than its factorization.

257503041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225420 (or 225417 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 257503041 is about 16046.9012896571. The cubic root of 257503041 is about 636.2006679599.

Adding to 257503041 its reverse (140305752), we get a palindrome (397808793).

The spelling of 257503041 in words is "two hundred fifty-seven million, five hundred three thousand, forty-one".