252236634 has 16 divisors (see below), whose sum is σ = 543279072. Its totient is φ = 77611248.

The previous prime is 252236629. The next prime is 252236641. The reversal of 252236634 is 436632252.

252236634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 252236595 and 252236604.

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, 1616824 + ... + 1616979.

It is an arithmetic number, because the mean of its divisors is an integer number (33954942).

Almost surely, 2^252236634 is an apocalyptic number.

252236634 is an abundant number, since it is smaller than the sum of its proper divisors (291042438).

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

252236634 is a wasteful number, since it uses less digits than its factorization.

252236634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233821.

The product of its digits is 51840, while the sum is 33.

The square root of 252236634 is about 15881.9593879345. The cubic root of 252236634 is about 631.8336049824.

Adding to 252236634 its reverse (436632252), we get a palindrome (688868886).

The spelling of 252236634 in words is "two hundred fifty-two million, two hundred thirty-six thousand, six hundred thirty-four".