47525917 has 2 divisors, whose sum is σ = 47525918. Its totient is φ = 47525916.

The previous prime is 47525903. The next prime is 47525921. The reversal of 47525917 is 71952574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34644996 + 12880921 = 5886^2 + 3589^2 .

It is a cyclic number.

It is not a de Polignac number, because 47525917 - 2¹¹ = 47523869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47525917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47525987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23762958 + 23762959.

It is an arithmetic number, because the mean of its divisors is an integer number (23762959).

Almost surely, 2^47525917 is an apocalyptic number.

It is an amenable number.

47525917 is a deficient number, since it is larger than the sum of its proper divisors (1).

47525917 is an equidigital number, since it uses as much as digits as its factorization.

47525917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88200, while the sum is 40.

The square root of 47525917 is about 6893.9043364410. The cubic root of 47525917 is about 362.2236771736.

The spelling of 47525917 in words is "forty-seven million, five hundred twenty-five thousand, nine hundred seventeen".