252751390 has 8 divisors (see below), whose sum is σ = 454952520. Its totient is φ = 101100552.

The previous prime is 252751381. The next prime is 252751397. The reversal of 252751390 is 93157252.

252751390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252751397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12637560 + ... + 12637579.

It is an arithmetic number, because the mean of its divisors is an integer number (56869065).

Almost surely, 2^252751390 is an apocalyptic number.

252751390 is a deficient number, since it is larger than the sum of its proper divisors (202201130).

252751390 is a wasteful number, since it uses less digits than its factorization.

252751390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25275146.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 252751390 is about 15898.1568114043. The cubic root of 252751390 is about 632.2631211582.

The spelling of 252751390 in words is "two hundred fifty-two million, seven hundred fifty-one thousand, three hundred ninety".