253116202 has 4 divisors (see below), whose sum is σ = 379674306. Its totient is φ = 126558100.

The previous prime is 253116191. The next prime is 253116211. The reversal of 253116202 is 202611352.

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., 238054041 + 15062161 = 15429^2 + 3881^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63279049 + ... + 63279052.

Almost surely, 2^253116202 is an apocalyptic number.

253116202 is a deficient number, since it is larger than the sum of its proper divisors (126558104).

253116202 is a wasteful number, since it uses less digits than its factorization.

253116202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126558103.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 253116202 is about 15909.6260798298. The cubic root of 253116202 is about 632.5671699822.

Adding to 253116202 its reverse (202611352), we get a palindrome (455727554).

It can be divided in two parts, 25311 and 6202, that added together give a palindrome (31513).

The spelling of 253116202 in words is "two hundred fifty-three million, one hundred sixteen thousand, two hundred two".