32561725 has 36 divisors (see below), whose sum is σ = 49476000. Its totient is φ = 21137760.

The previous prime is 32561701. The next prime is 32561743. The reversal of 32561725 is 52716523.

It is not a de Polignac number, because 32561725 - 2⁷ = 32561597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22576 + ... + 23974.

Almost surely, 2^32561725 is an apocalyptic number.

32561725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

32561725 is a deficient number, since it is larger than the sum of its proper divisors (16914275).

32561725 is a wasteful number, since it uses less digits than its factorization.

32561725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442 (or 1430 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 32561725 is about 5706.2881981197. The cubic root of 32561725 is about 319.3271179859.

The spelling of 32561725 in words is "thirty-two million, five hundred sixty-one thousand, seven hundred twenty-five".