47325991 has 2 divisors, whose sum is σ = 47325992. Its totient is φ = 47325990.

The previous prime is 47325983. The next prime is 47326001. The reversal of 47325991 is 19952374.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47325991 - 2³ = 47325983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47325961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23662995 + 23662996.

It is an arithmetic number, because the mean of its divisors is an integer number (23662996).

Almost surely, 2^47325991 is an apocalyptic number.

47325991 is a deficient number, since it is larger than the sum of its proper divisors (1).

47325991 is an equidigital number, since it uses as much as digits as its factorization.

47325991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 40.

The square root of 47325991 is about 6879.3888536701. The cubic root of 47325991 is about 361.7150444133.

The spelling of 47325991 in words is "forty-seven million, three hundred twenty-five thousand, nine hundred ninety-one".