252153330 has 128 divisors (see below), whose sum is σ = 725034240. Its totient is φ = 55311360.

The previous prime is 252153323. The next prime is 252153371. The reversal of 252153330 is 33351252.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 252153330.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 226816 + ... + 227924.

It is an arithmetic number, because the mean of its divisors is an integer number (5664330).

Almost surely, 2^252153330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252153330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362517120).

252153330 is an abundant number, since it is smaller than the sum of its proper divisors (472880910).

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

252153330 is a wasteful number, since it uses less digits than its factorization.

252153330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 252153330 is about 15879.3365730436. The cubic root of 252153330 is about 631.7640405933.

The spelling of 252153330 in words is "two hundred fifty-two million, one hundred fifty-three thousand, three hundred thirty".