33696631 has 2 divisors, whose sum is σ = 33696632. Its totient is φ = 33696630.

The previous prime is 33696623. The next prime is 33696667. The reversal of 33696631 is 13669633.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33696631 - 2³ = 33696623 is a prime.

It is a super-2 number, since 2×33696631² = 2270925881500322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33696331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16848315 + 16848316.

It is an arithmetic number, because the mean of its divisors is an integer number (16848316).

Almost surely, 2^33696631 is an apocalyptic number.

33696631 is a deficient number, since it is larger than the sum of its proper divisors (1).

33696631 is an equidigital number, since it uses as much as digits as its factorization.

33696631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 37.

The square root of 33696631 is about 5804.8799298521. The cubic root of 33696631 is about 322.9947728613.

It can be divided in two parts, 3369 and 6631, that added together give a 4-th power (10000 = 10⁴).

The spelling of 33696631 in words is "thirty-three million, six hundred ninety-six thousand, six hundred thirty-one".