252234634 has 16 divisors (see below), whose sum is σ = 397820520. Its totient is φ = 119770560.

The previous prime is 252234589. The next prime is 252234641. The reversal of 252234634 is 436432252.

It can be written as a sum of positive squares in 4 ways, for example, as 230584225 + 21650409 = 15185^2 + 4653^2 .

It is a super-2 number, since 2×252234634² = 127244621178227912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 252234596 and 252234605.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 32109 + ... + 39184.

Almost surely, 2^252234634 is an apocalyptic number.

252234634 is a deficient number, since it is larger than the sum of its proper divisors (145585886).

252234634 is a wasteful number, since it uses less digits than its factorization.

252234634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71385.

The product of its digits is 34560, while the sum is 31.

The square root of 252234634 is about 15881.8964232865. The cubic root of 252234634 is about 631.8319350286.

Adding to 252234634 its reverse (436432252), we get a palindrome (688666886).

The spelling of 252234634 in words is "two hundred fifty-two million, two hundred thirty-four thousand, six hundred thirty-four".