3157684253 has 2 divisors, whose sum is σ = 3157684254. Its totient is φ = 3157684252.

The previous prime is 3157684247. The next prime is 3157684291. The reversal of 3157684253 is 3524867513.

3157684253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1793268409 + 1364415844 = 42347^2 + 36938^2 .

It is an emirp because it is prime and its reverse (3524867513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3157684253 - 2³⁰ = 2083942429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3157684223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1578842126 + 1578842127.

It is an arithmetic number, because the mean of its divisors is an integer number (1578842127).

Almost surely, 2^3157684253 is an apocalyptic number.

It is an amenable number.

3157684253 is a deficient number, since it is larger than the sum of its proper divisors (1).

3157684253 is an equidigital number, since it uses as much as digits as its factorization.

3157684253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 44.

The square root of 3157684253 is about 56193.2758699829. The cubic root of 3157684253 is about 1467.0882329893.

The spelling of 3157684253 in words is "three billion, one hundred fifty-seven million, six hundred eighty-four thousand, two hundred fifty-three".