32250725 has 12 divisors (see below), whose sum is σ = 43067556. Its totient is φ = 23815680.

The previous prime is 32250721. The next prime is 32250727. The reversal of 32250725 is 52705223.

It can be written as a sum of positive squares in 6 ways, for example, as 12837889 + 19412836 = 3583^2 + 4406^2 .

It is not a de Polignac number, because 32250725 - 2² = 32250721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32250694 and 32250703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32250721) 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, 49292 + ... + 49941.

It is an arithmetic number, because the mean of its divisors is an integer number (3588963).

Almost surely, 2^32250725 is an apocalyptic number.

It is an amenable number.

32250725 is a deficient number, since it is larger than the sum of its proper divisors (10816831).

32250725 is a wasteful number, since it uses less digits than its factorization.

32250725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99256 (or 99251 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 32250725 is about 5678.9721781322. The cubic root of 32250725 is about 318.3072232330.

Adding to 32250725 its reverse (52705223), we get a palindrome (84955948).

The spelling of 32250725 in words is "thirty-two million, two hundred fifty thousand, seven hundred twenty-five".