257046039 has 6 divisors (see below), whose sum is σ = 371288736. Its totient is φ = 171364020.

The previous prime is 257046029. The next prime is 257046043. The reversal of 257046039 is 930640752.

It is not a de Polignac number, because 257046039 - 2⁸ = 257045783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 257045994 and 257046012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257046029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14280327 + ... + 14280344.

It is an arithmetic number, because the mean of its divisors is an integer number (61881456).

Almost surely, 2^257046039 is an apocalyptic number.

257046039 is a deficient number, since it is larger than the sum of its proper divisors (114242697).

257046039 is a wasteful number, since it uses less digits than its factorization.

257046039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28560677 (or 28560674 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 257046039 is about 16032.6553945377. The cubic root of 257046039 is about 635.8240806315.

The spelling of 257046039 in words is "two hundred fifty-seven million, forty-six thousand, thirty-nine".