257171010 has 16 divisors (see below), whose sum is σ = 617210496. Its totient is φ = 68578928.

The previous prime is 257170997. The next prime is 257171011. The reversal of 257171010 is 10171752.

It is a happy number.

It is a super-2 number, since 2×257171010² = 132273856768840200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (257171011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4286154 + ... + 4286213.

It is an arithmetic number, because the mean of its divisors is an integer number (38575656).

Almost surely, 2^257171010 is an apocalyptic number.

257171010 is an abundant number, since it is smaller than the sum of its proper divisors (360039486).

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

257171010 is a wasteful number, since it uses less digits than its factorization.

257171010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8572377.

The product of its (nonzero) digits is 490, while the sum is 24.

The square root of 257171010 is about 16036.5523102692. The cubic root of 257171010 is about 635.9271058817.

The spelling of 257171010 in words is "two hundred fifty-seven million, one hundred seventy-one thousand, ten".