252369620 has 12 divisors (see below), whose sum is σ = 529976244. Its totient is φ = 100947840.

The previous prime is 252369617. The next prime is 252369661. The reversal of 252369620 is 26963252.

It can be written as a sum of positive squares in 2 ways, for example, as 91891396 + 160478224 = 9586^2 + 12668^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6309221 + ... + 6309260.

It is an arithmetic number, because the mean of its divisors is an integer number (44164687).

Almost surely, 2^252369620 is an apocalyptic number.

252369620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252369620 is an abundant number, since it is smaller than the sum of its proper divisors (277606624).

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

252369620 is a wasteful number, since it uses less digits than its factorization.

252369620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12618490 (or 12618488 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 252369620 is about 15886.1455362841. The cubic root of 252369620 is about 631.9446254159.

The spelling of 252369620 in words is "two hundred fifty-two million, three hundred sixty-nine thousand, six hundred twenty".