4007131 has 2 divisors, whose sum is σ = 4007132. Its totient is φ = 4007130.

The previous prime is 4007123. The next prime is 4007141. The reversal of 4007131 is 1317004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4007131 - 2³ = 4007123 is a prime.

It is a super-2 number, since 2×4007131² = 32114197702322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4007141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2003565 + 2003566.

It is an arithmetic number, because the mean of its divisors is an integer number (2003566).

Almost surely, 2^4007131 is an apocalyptic number.

4007131 is a deficient number, since it is larger than the sum of its proper divisors (1).

4007131 is an equidigital number, since it uses as much as digits as its factorization.

4007131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 4007131 is about 2001.7819561581. The cubic root of 4007131 is about 158.8343805034.

The spelling of 4007131 in words is "four million, seven thousand, one hundred thirty-one".