32151325421 has 8 divisors (see below), whose sum is σ = 32703380640. Its totient is φ = 31599507568.

The previous prime is 32151325403. The next prime is 32151325433. The reversal of 32151325421 is 12452315123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32151325421 - 2⁶ = 32151325357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32151325471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225515 + ... + 339351.

It is an arithmetic number, because the mean of its divisors is an integer number (4087922580).

Almost surely, 2^32151325421 is an apocalyptic number.

It is an amenable number.

32151325421 is a deficient number, since it is larger than the sum of its proper divisors (552055219).

32151325421 is a wasteful number, since it uses less digits than its factorization.

32151325421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118683.

The product of its digits is 7200, while the sum is 29.

The spelling of 32151325421 in words is "thirty-two billion, one hundred fifty-one million, three hundred twenty-five thousand, four hundred twenty-one".