3137531 has 2 divisors, whose sum is σ = 3137532. Its totient is φ = 3137530.

The previous prime is 3137521. The next prime is 3137551. The reversal of 3137531 is 1357313.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3137531 - 2¹⁸ = 2875387 is a prime.

It is a super-2 number, since 2×3137531² = 19688201551922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3137497 and 3137506.

It is not a weakly prime, because it can be changed into another prime (3137521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1568765 + 1568766.

It is an arithmetic number, because the mean of its divisors is an integer number (1568766).

Almost surely, 2^3137531 is an apocalyptic number.

3137531 is a deficient number, since it is larger than the sum of its proper divisors (1).

3137531 is an equidigital number, since it uses as much as digits as its factorization.

3137531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 945, while the sum is 23.

The square root of 3137531 is about 1771.3077090105. The cubic root of 3137531 is about 146.3960442410.

The spelling of 3137531 in words is "three million, one hundred thirty-seven thousand, five hundred thirty-one".