3731261137 has 2 divisors, whose sum is σ = 3731261138. Its totient is φ = 3731261136.

The previous prime is 3731261123. The next prime is 3731261141. The reversal of 3731261137 is 7311621373.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2866959936 + 864301201 = 53544^2 + 29399^2 .

It is a cyclic number.

It is not a de Polignac number, because 3731261137 - 2²⁷ = 3597043409 is a prime.

It is not a weakly prime, because it can be changed into another prime (3731261117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1865630568 + 1865630569.

It is an arithmetic number, because the mean of its divisors is an integer number (1865630569).

Almost surely, 2^3731261137 is an apocalyptic number.

It is an amenable number.

3731261137 is a deficient number, since it is larger than the sum of its proper divisors (1).

3731261137 is an equidigital number, since it uses as much as digits as its factorization.

3731261137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 34.

The square root of 3731261137 is about 61084.0497756984. The cubic root of 3731261137 is about 1551.0241080844.

The spelling of 3731261137 in words is "three billion, seven hundred thirty-one million, two hundred sixty-one thousand, one hundred thirty-seven".