257104651 has 8 divisors (see below), whose sum is σ = 273195504. Its totient is φ = 241121280.

The previous prime is 257104619. The next prime is 257104657. The reversal of 257104651 is 156401752.

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 257104651 - 2⁵ = 257104619 is a prime.

It is a super-2 number, since 2×257104651² = 132205603131663602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (257104657) 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, 21910 + ... + 31531.

It is an arithmetic number, because the mean of its divisors is an integer number (34149438).

Almost surely, 2^257104651 is an apocalyptic number.

257104651 is a deficient number, since it is larger than the sum of its proper divisors (16090853).

257104651 is a wasteful number, since it uses less digits than its factorization.

257104651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53741.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 257104651 is about 16034.4831846867. The cubic root of 257104651 is about 635.8724041264.

The spelling of 257104651 in words is "two hundred fifty-seven million, one hundred four thousand, six hundred fifty-one".