252612202 has 4 divisors (see below), whose sum is σ = 378918306. Its totient is φ = 126306100.

The previous prime is 252612181. The next prime is 252612203. The reversal of 252612202 is 202216252.

It is a happy number.

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., 178462881 + 74149321 = 13359^2 + 8611^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (252612203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63153049 + ... + 63153052.

Almost surely, 2^252612202 is an apocalyptic number.

252612202 is a deficient number, since it is larger than the sum of its proper divisors (126306104).

252612202 is a wasteful number, since it uses less digits than its factorization.

252612202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126306103.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 252612202 is about 15893.7787199898. The cubic root of 252612202 is about 632.1470392401.

Adding to 252612202 its reverse (202216252), we get a palindrome (454828454).

The spelling of 252612202 in words is "two hundred fifty-two million, six hundred twelve thousand, two hundred two".