3731137 has 2 divisors, whose sum is σ = 3731138. Its totient is φ = 3731136.

The previous prime is 3731107. The next prime is 3731141. The reversal of 3731137 is 7311373.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3225616 + 505521 = 1796^2 + 711^2 .

It is an emirp because it is prime and its reverse (7311373) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3731137 - 2⁷ = 3731009 is a prime.

It is not a weakly prime, because it can be changed into another prime (3731107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1865568 + 1865569.

It is an arithmetic number, because the mean of its divisors is an integer number (1865569).

Almost surely, 2^3731137 is an apocalyptic number.

It is an amenable number.

3731137 is a deficient number, since it is larger than the sum of its proper divisors (1).

3731137 is an equidigital number, since it uses as much as digits as its factorization.

3731137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1323, while the sum is 25.

The square root of 3731137 is about 1931.6151272963. The cubic root of 3731137 is about 155.1006907321.

The spelling of 3731137 in words is "three million, seven hundred thirty-one thousand, one hundred thirty-seven".