3697531 has 2 divisors, whose sum is σ = 3697532. Its totient is φ = 3697530.

The previous prime is 3697511. The next prime is 3697559. The reversal of 3697531 is 1357963.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3697531 - 2⁷ = 3697403 is a prime.

It is a super-2 number, since 2×3697531² = 27343470991922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3697511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1848765 + 1848766.

It is an arithmetic number, because the mean of its divisors is an integer number (1848766).

Almost surely, 2^3697531 is an apocalyptic number.

3697531 is a deficient number, since it is larger than the sum of its proper divisors (1).

3697531 is an equidigital number, since it uses as much as digits as its factorization.

3697531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 34.

The square root of 3697531 is about 1922.8965130760. The cubic root of 3697531 is about 154.6336265342.

The spelling of 3697531 in words is "three million, six hundred ninety-seven thousand, five hundred thirty-one".