252154620 has 120 divisors (see below), whose sum is σ = 816697728. Its totient is φ = 65059200.

The previous prime is 252154603. The next prime is 252154627. The reversal of 252154620 is 26451252.

252154620 is a `hidden beast` number, since 25 + 2 + 15 + 4 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252154627) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 47710 + ... + 52730.

Almost surely, 2^252154620 is an apocalyptic number.

252154620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252154620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408348864).

252154620 is an abundant number, since it is smaller than the sum of its proper divisors (564543108).

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

252154620 is a wasteful number, since it uses less digits than its factorization.

252154620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5073 (or 5062 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 252154620 is about 15879.3771918171. The cubic root of 252154620 is about 631.7651179460.

The spelling of 252154620 in words is "two hundred fifty-two million, one hundred fifty-four thousand, six hundred twenty".