252153270 has 64 divisors (see below), whose sum is σ = 679011840. Its totient is φ = 66580704.

The previous prime is 252153269. The next prime is 252153281. The reversal of 252153270 is 72351252.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23277 + ... + 32343.

It is an arithmetic number, because the mean of its divisors is an integer number (10609560).

Almost surely, 2^252153270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252153270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339505920).

252153270 is an abundant number, since it is smaller than the sum of its proper divisors (426858570).

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

252153270 is a wasteful number, since it uses less digits than its factorization.

252153270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9186 (or 9180 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 252153270 is about 15879.3346837958. The cubic root of 252153270 is about 631.7639904838.

The spelling of 252153270 in words is "two hundred fifty-two million, one hundred fifty-three thousand, two hundred seventy".