32315325247 has 4 divisors (see below), whose sum is σ = 32457683736. Its totient is φ = 32172966760.

The previous prime is 32315325241. The next prime is 32315325277. The reversal of 32315325247 is 74252351323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74252351323 = 23 ⋅3228363101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32315325247 is a prime.

It is a super-2 number, since 2×32315325247² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32315325241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71178904 + ... + 71179357.

It is an arithmetic number, because the mean of its divisors is an integer number (8114420934).

Almost surely, 2^32315325247 is an apocalyptic number.

32315325247 is a deficient number, since it is larger than the sum of its proper divisors (142358489).

32315325247 is a wasteful number, since it uses less digits than its factorization.

32315325247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142358488.

The product of its digits is 151200, while the sum is 37.

The spelling of 32315325247 in words is "thirty-two billion, three hundred fifteen million, three hundred twenty-five thousand, two hundred forty-seven".