257004150 has 48 divisors (see below), whose sum is σ = 686403984. Its totient is φ = 63262080.

The previous prime is 257004103. The next prime is 257004157. The reversal of 257004150 is 51400752.

It is a super-2 number, since 2×257004150² = 132102266234445000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 257004150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257004157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63949 + ... + 67848.

It is an arithmetic number, because the mean of its divisors is an integer number (14300083).

Almost surely, 2^257004150 is an apocalyptic number.

257004150 is an abundant number, since it is smaller than the sum of its proper divisors (429399834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

257004150 is a wasteful number, since it uses less digits than its factorization.

257004150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131825 (or 131820 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 257004150 is about 16031.3489763026. The cubic root of 257004150 is about 635.7895401501.

The spelling of 257004150 in words is "two hundred fifty-seven million, four thousand, one hundred fifty".