257432054 has 32 divisors (see below), whose sum is σ = 465440256. Its totient is φ = 105339520.

The previous prime is 257432047. The next prime is 257432069. The reversal of 257432054 is 450234752.

It is a self number, because there is not a number n which added to its sum of digits gives 257432054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6362 + ... + 23565.

It is an arithmetic number, because the mean of its divisors is an integer number (14545008).

Almost surely, 2^257432054 is an apocalyptic number.

257432054 is a deficient number, since it is larger than the sum of its proper divisors (208008202).

257432054 is a wasteful number, since it uses less digits than its factorization.

257432054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29980.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 257432054 is about 16044.6892771409. The cubic root of 257432054 is about 636.1422011714.

The spelling of 257432054 in words is "two hundred fifty-seven million, four hundred thirty-two thousand, fifty-four".