252202634 has 4 divisors (see below), whose sum is σ = 378303954. Its totient is φ = 126101316.

The previous prime is 252202631. The next prime is 252202669. The reversal of 252202634 is 436202252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 159946609 + 92256025 = 12647^2 + 9605^2 .

It is not an unprimeable number, because it can be changed into a prime (252202631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63050657 + ... + 63050660.

Almost surely, 2^252202634 is an apocalyptic number.

252202634 is a deficient number, since it is larger than the sum of its proper divisors (126101320).

252202634 is a wasteful number, since it uses less digits than its factorization.

252202634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126101319.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 252202634 is about 15880.8889549672. Note that the first 3 decimals coincide. The cubic root of 252202634 is about 631.8052145678.

Adding to 252202634 its reverse (436202252), we get a palindrome (688404886).

The spelling of 252202634 in words is "two hundred fifty-two million, two hundred two thousand, six hundred thirty-four".