252701624 has 24 divisors (see below), whose sum is σ = 551174040. Its totient is φ = 108300528.

The previous prime is 252701623. The next prime is 252701633. The reversal of 252701624 is 426107252.

It is a happy number.

It is a super-2 number, since 2×252701624² = 127716221544474752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252701623) 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, 321932 + ... + 322715.

It is an arithmetic number, because the mean of its divisors is an integer number (22965585).

Almost surely, 2^252701624 is an apocalyptic number.

It is an amenable number.

252701624 is an abundant number, since it is smaller than the sum of its proper divisors (298472416).

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

252701624 is a wasteful number, since it uses less digits than its factorization.

252701624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644667 (or 644656 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 252701624 is about 15896.5915843617. The cubic root of 252701624 is about 632.2216215225.

Adding to 252701624 its reverse (426107252), we get a palindrome (678808876).

The spelling of 252701624 in words is "two hundred fifty-two million, seven hundred one thousand, six hundred twenty-four".