257325441 has 8 divisors (see below), whose sum is σ = 349574400. Its totient is φ = 168313392.

The previous prime is 257325437. The next prime is 257325463. The reversal of 257325441 is 144523752.

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

It is not a de Polignac number, because 257325441 - 2² = 257325437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (257325401) 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, 809041 + ... + 809358.

It is an arithmetic number, because the mean of its divisors is an integer number (43696800).

Almost surely, 2^257325441 is an apocalyptic number.

It is an amenable number.

257325441 is a deficient number, since it is larger than the sum of its proper divisors (92248959).

257325441 is a wasteful number, since it uses less digits than its factorization.

257325441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618455.

The product of its digits is 33600, while the sum is 33.

The square root of 257325441 is about 16041.3665565001. The cubic root of 257325441 is about 636.0543716619.

The spelling of 257325441 in words is "two hundred fifty-seven million, three hundred twenty-five thousand, four hundred forty-one".