32387401225 has 9 divisors (see below), whose sum is σ = 40161493333. Its totient is φ = 25909201120.

The previous prime is 32387401223. The next prime is 32387401261. The reversal of 32387401225 is 52210478323.

The square root of 32387401225 is 179965.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2912005369 + 29475395856 = 53963^2 + 171684^2 .

It is not a de Polignac number, because 32387401225 - 2¹ = 32387401223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32387401223) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 881829 + ... + 917821.

Almost surely, 2^32387401225 is an apocalyptic number.

32387401225 is the 179965-th square number.

32387401225 is the 89983-rd centered octagonal number.

It is an amenable number.

32387401225 is a deficient number, since it is larger than the sum of its proper divisors (7774092108).

32387401225 is an frugal number, since it uses more digits than its factorization.

32387401225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71996 (or 35998 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

Adding to 32387401225 its reverse (52210478323), we get a palindrome (84597879548).

The spelling of 32387401225 in words is "thirty-two billion, three hundred eighty-seven million, four hundred one thousand, two hundred twenty-five".