47825117 has 2 divisors, whose sum is σ = 47825118. Its totient is φ = 47825116.

The previous prime is 47825083. The next prime is 47825137. The reversal of 47825117 is 71152874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46158436 + 1666681 = 6794^2 + 1291^2 .

It is a cyclic number.

It is not a de Polignac number, because 47825117 - 2¹⁰ = 47824093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47825137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23912558 + 23912559.

It is an arithmetic number, because the mean of its divisors is an integer number (23912559).

Almost surely, 2^47825117 is an apocalyptic number.

It is an amenable number.

47825117 is a deficient number, since it is larger than the sum of its proper divisors (1).

47825117 is an equidigital number, since it uses as much as digits as its factorization.

47825117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15680, while the sum is 35.

The square root of 47825117 is about 6915.5706199850. The cubic root of 47825117 is about 362.9822154821.

The spelling of 47825117 in words is "forty-seven million, eight hundred twenty-five thousand, one hundred seventeen".