47325557 has 2 divisors, whose sum is σ = 47325558. Its totient is φ = 47325556.

The previous prime is 47325497. The next prime is 47325563. The reversal of 47325557 is 75552374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31651876 + 15673681 = 5626^2 + 3959^2 .

It is a cyclic number.

It is not a de Polignac number, because 47325557 - 2⁸ = 47325301 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47325557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47325587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23662778 + 23662779.

It is an arithmetic number, because the mean of its divisors is an integer number (23662779).

Almost surely, 2^47325557 is an apocalyptic number.

It is an amenable number.

47325557 is a deficient number, since it is larger than the sum of its proper divisors (1).

47325557 is an equidigital number, since it uses as much as digits as its factorization.

47325557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147000, while the sum is 38.

The square root of 47325557 is about 6879.3573100981. The cubic root of 47325557 is about 361.7139387149.

The spelling of 47325557 in words is "forty-seven million, three hundred twenty-five thousand, five hundred fifty-seven".