253111316 has 6 divisors (see below), whose sum is σ = 442944810. Its totient is φ = 126555656.

The previous prime is 253111307. The next prime is 253111337. The reversal of 253111316 is 613111352.

It can be written as a sum of positive squares in only one way, i.e., 178115716 + 74995600 = 13346^2 + 8660^2 .

It is a junction number, because it is equal to n+sod(n) for n = 253111291 and 253111300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31638911 + ... + 31638918.

It is an arithmetic number, because the mean of its divisors is an integer number (73824135).

Almost surely, 2^253111316 is an apocalyptic number.

It is an amenable number.

253111316 is a deficient number, since it is larger than the sum of its proper divisors (189833494).

253111316 is a wasteful number, since it uses less digits than its factorization.

253111316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63277833 (or 63277831 counting only the distinct ones).

The product of its digits is 540, while the sum is 23.

The square root of 253111316 is about 15909.4725242542. The cubic root of 253111316 is about 632.5630997264.

Adding to 253111316 its reverse (613111352), we get a palindrome (866222668).

The spelling of 253111316 in words is "two hundred fifty-three million, one hundred eleven thousand, three hundred sixteen".