47259257 has 2 divisors, whose sum is σ = 47259258. Its totient is φ = 47259256.

The previous prime is 47259229. The next prime is 47259263. The reversal of 47259257 is 75295274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36735721 + 10523536 = 6061^2 + 3244^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47259257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47259217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23629628 + 23629629.

It is an arithmetic number, because the mean of its divisors is an integer number (23629629).

Almost surely, 2^47259257 is an apocalyptic number.

It is an amenable number.

47259257 is a deficient number, since it is larger than the sum of its proper divisors (1).

47259257 is an equidigital number, since it uses as much as digits as its factorization.

47259257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176400, while the sum is 41.

The square root of 47259257 is about 6874.5368571272. The cubic root of 47259257 is about 361.5449472772.

The spelling of 47259257 in words is "forty-seven million, two hundred fifty-nine thousand, two hundred fifty-seven".