252062490 has 32 divisors (see below), whose sum is σ = 625812480. Its totient is φ = 64898624.

The previous prime is 252062479. The next prime is 252062491. The reversal of 252062490 is 94260252.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (252062491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143994 + ... + 145733.

It is an arithmetic number, because the mean of its divisors is an integer number (19556640).

Almost surely, 2^252062490 is an apocalyptic number.

252062490 is an abundant number, since it is smaller than the sum of its proper divisors (373749990).

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

252062490 is a wasteful number, since it uses less digits than its factorization.

252062490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289766.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 252062490 is about 15876.4759943761. The cubic root of 252062490 is about 631.6881656770.

The spelling of 252062490 in words is "two hundred fifty-two million, sixty-two thousand, four hundred ninety".