32421531425 has 12 divisors (see below), whose sum is σ = 40263725040. Its totient is φ = 25897853520.

The previous prime is 32421531409. The next prime is 32421531431. The reversal of 32421531425 is 52413512423.

It is not a de Polignac number, because 32421531425 - 2⁴ = 32421531409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32421531391 and 32421531400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 967487 + ... + 1000436.

It is an arithmetic number, because the mean of its divisors is an integer number (3355310420).

Almost surely, 2^32421531425 is an apocalyptic number.

It is an amenable number.

32421531425 is a deficient number, since it is larger than the sum of its proper divisors (7842193615).

32421531425 is a wasteful number, since it uses less digits than its factorization.

32421531425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968592 (or 1968587 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The spelling of 32421531425 in words is "thirty-two billion, four hundred twenty-one million, five hundred thirty-one thousand, four hundred twenty-five".