32479631 has 2 divisors, whose sum is σ = 32479632. Its totient is φ = 32479630.

The previous prime is 32479609. The next prime is 32479637. The reversal of 32479631 is 13697423.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32479631 is a prime.

It is a super-2 number, since 2×32479631² = 2109852859792322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 32479591 and 32479600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32479637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16239815 + 16239816.

It is an arithmetic number, because the mean of its divisors is an integer number (16239816).

Almost surely, 2^32479631 is an apocalyptic number.

32479631 is a deficient number, since it is larger than the sum of its proper divisors (1).

32479631 is an equidigital number, since it uses as much as digits as its factorization.

32479631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The square root of 32479631 is about 5699.0903660146. The cubic root of 32479631 is about 319.0585316613.

The spelling of 32479631 in words is "thirty-two million, four hundred seventy-nine thousand, six hundred thirty-one".