257126332 has 12 divisors (see below), whose sum is σ = 450107056. Its totient is φ = 128524320.

The previous prime is 257126327. The next prime is 257126333. The reversal of 257126332 is 233621752.

It is a super-2 number, since 2×257126332² = 132227901215548448, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 257126294 and 257126303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257126333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9328 + ... + 24520.

Almost surely, 2^257126332 is an apocalyptic number.

It is an amenable number.

257126332 is a deficient number, since it is larger than the sum of its proper divisors (192980724).

257126332 is a wasteful number, since it uses less digits than its factorization.

257126332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19428 (or 19426 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 257126332 is about 16035.1592446100. The cubic root of 257126332 is about 635.8902774736.

The spelling of 257126332 in words is "two hundred fifty-seven million, one hundred twenty-six thousand, three hundred thirty-two".