47325731 has 2 divisors, whose sum is σ = 47325732. Its totient is φ = 47325730.

The previous prime is 47325703. The next prime is 47325737. The reversal of 47325731 is 13752374.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47325731 is a prime.

It is a super-2 number, since 2×47325731² = 4479449629368722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47325737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23662865 + 23662866.

It is an arithmetic number, because the mean of its divisors is an integer number (23662866).

Almost surely, 2^47325731 is an apocalyptic number.

47325731 is a deficient number, since it is larger than the sum of its proper divisors (1).

47325731 is an equidigital number, since it uses as much as digits as its factorization.

47325731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 32.

The square root of 47325731 is about 6879.3699566167. The cubic root of 47325731 is about 361.7143820142.

The spelling of 47325731 in words is "forty-seven million, three hundred twenty-five thousand, seven hundred thirty-one".