252450030 has 64 divisors (see below), whose sum is σ = 701245440. Its totient is φ = 56968704.

The previous prime is 252449963. The next prime is 252450041. The reversal of 252450030 is 30054252.

252450030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 252449979 and 252450006.

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, 8982 + ... + 24198.

It is an arithmetic number, because the mean of its divisors is an integer number (10956960).

Almost surely, 2^252450030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252450030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350622720).

252450030 is an abundant number, since it is smaller than the sum of its proper divisors (448795410).

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

252450030 is a wasteful number, since it uses less digits than its factorization.

252450030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15313.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 252450030 is about 15888.6761563070. The cubic root of 252450030 is about 632.0117350142.

The spelling of 252450030 in words is "two hundred fifty-two million, four hundred fifty thousand, thirty".