257124230 has 32 divisors (see below), whose sum is σ = 521192448. Its totient is φ = 90482400.

The previous prime is 257124227. The next prime is 257124233. The reversal of 257124230 is 32421752.

It is an interprime number because it is at equal distance from previous prime (257124227) and next prime (257124233).

It is a super-2 number, since 2×257124230² = 132225739306185800, 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 257124230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257124233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34292 + ... + 41111.

It is an arithmetic number, because the mean of its divisors is an integer number (16287264).

Almost surely, 2^257124230 is an apocalyptic number.

257124230 is an abundant number, since it is smaller than the sum of its proper divisors (264068218).

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

257124230 is a wasteful number, since it uses less digits than its factorization.

257124230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75452.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 257124230 is about 16035.0937010047. The cubic root of 257124230 is about 635.8885446742. Note that the first 3 decimals are identical.

Adding to 257124230 its reverse (32421752), we get a palindrome (289545982).

The spelling of 257124230 in words is "two hundred fifty-seven million, one hundred twenty-four thousand, two hundred thirty".