3157613 has 2 divisors, whose sum is σ = 3157614. Its totient is φ = 3157612.

The previous prime is 3157603. The next prime is 3157639. The reversal of 3157613 is 3167513.

It is a happy number.

3157613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (3157639) can be obtained adding 3157613 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1909924 + 1247689 = 1382^2 + 1117^2 .

It is an emirp because it is prime and its reverse (3167513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3157613 - 2¹⁶ = 3092077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3157603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1578806 + 1578807.

It is an arithmetic number, because the mean of its divisors is an integer number (1578807).

Almost surely, 2^3157613 is an apocalyptic number.

It is an amenable number.

3157613 is a deficient number, since it is larger than the sum of its proper divisors (1).

3157613 is an equidigital number, since it uses as much as digits as its factorization.

3157613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1890, while the sum is 26.

The square root of 3157613 is about 1776.9673604206. The cubic root of 3157613 is about 146.7077197980.

The spelling of 3157613 in words is "three million, one hundred fifty-seven thousand, six hundred thirteen".