32631401 has 12 divisors (see below), whose sum is σ = 36463812. Its totient is φ = 29172000.

The previous prime is 32631397. The next prime is 32631407. The reversal of 32631401 is 10413623.

32631401 = 240² + 241² + ... + 481².

It can be written as a sum of positive squares in 2 ways, for example, as 12390400 + 20241001 = 3520^2 + 4499^2 .

It is not a de Polignac number, because 32631401 - 2² = 32631397 is a prime.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (32631407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5171 + ... + 9591.

It is an arithmetic number, because the mean of its divisors is an integer number (3038651).

Almost surely, 2^32631401 is an apocalyptic number.

It is an amenable number.

32631401 is a deficient number, since it is larger than the sum of its proper divisors (3832411).

32631401 is a wasteful number, since it uses less digits than its factorization.

32631401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4504 (or 4493 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 32631401 is about 5712.3901302345. The cubic root of 32631401 is about 319.5547224841.

It can be divided in two parts, 3263 and 1401, that added together give a palindrome (4664).

The spelling of 32631401 in words is "thirty-two million, six hundred thirty-one thousand, four hundred one".