252236590 has 16 divisors (see below), whose sum is σ = 477922320. Its totient is φ = 95584320.

The previous prime is 252236563. The next prime is 252236603. The reversal of 252236590 is 95632252.

It is a happy number.

252236590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663591 + ... + 663970.

It is an arithmetic number, because the mean of its divisors is an integer number (29870145).

Almost surely, 2^252236590 is an apocalyptic number.

252236590 is a deficient number, since it is larger than the sum of its proper divisors (225685730).

252236590 is a wasteful number, since it uses less digits than its factorization.

252236590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327587.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 252236590 is about 15881.9580027149. The cubic root of 252236590 is about 631.8335682435.

It can be divided in two parts, 25223 and 6590, that added together give a palindrome (31813).

The spelling of 252236590 in words is "two hundred fifty-two million, two hundred thirty-six thousand, five hundred ninety".