3996802531 has 2 divisors, whose sum is σ = 3996802532. Its totient is φ = 3996802530.

The previous prime is 3996802507. The next prime is 3996802559. The reversal of 3996802531 is 1352086993.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3996802531 - 2¹³ = 3996794339 is a prime.

It is a super-2 number, since 2×3996802531² = 31948860943616011922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3996802231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1998401265 + 1998401266.

It is an arithmetic number, because the mean of its divisors is an integer number (1998401266).

Almost surely, 2^3996802531 is an apocalyptic number.

3996802531 is a deficient number, since it is larger than the sum of its proper divisors (1).

3996802531 is an equidigital number, since it uses as much as digits as its factorization.

3996802531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 3996802531 is about 63220.2699377344. The cubic root of 3996802531 is about 1586.9779670769.

The spelling of 3996802531 in words is "three billion, nine hundred ninety-six million, eight hundred two thousand, five hundred thirty-one".