32501405225 has 48 divisors (see below), whose sum is σ = 45018547200. Its totient is φ = 23161849920.

The previous prime is 32501405207. The next prime is 32501405227. The reversal of 32501405225 is 52250410523.

It is not a de Polignac number, because 32501405225 - 2²⁶ = 32434296361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32501405227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 619364 + ... + 669786.

It is an arithmetic number, because the mean of its divisors is an integer number (937886400).

Almost surely, 2^32501405225 is an apocalyptic number.

It is an amenable number.

32501405225 is a deficient number, since it is larger than the sum of its proper divisors (12517141975).

32501405225 is a wasteful number, since it uses less digits than its factorization.

32501405225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50534 (or 50529 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 32501405225 its reverse (52250410523), we get a palindrome (84751815748).

The spelling of 32501405225 in words is "thirty-two billion, five hundred one million, four hundred five thousand, two hundred twenty-five".