252110520 has 48 divisors (see below), whose sum is σ = 819360360. Its totient is φ = 67229376.

The previous prime is 252110497. The next prime is 252110531. The reversal of 252110520 is 25011252.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 252110493 and 252110502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 349794 + ... + 350513.

Almost surely, 2^252110520 is an apocalyptic number.

252110520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252110520 is an abundant number, since it is smaller than the sum of its proper divisors (567249840).

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

252110520 is a wasteful number, since it uses less digits than its factorization.

252110520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700324 (or 700317 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 252110520 is about 15877.9885375951. The cubic root of 252110520 is about 631.7282854316.

Adding to 252110520 its reverse (25011252), we get a palindrome (277121772).

It can be divided in two parts, 2521 and 10520, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 252110520 in words is "two hundred fifty-two million, one hundred ten thousand, five hundred twenty".