47259997 has 2 divisors, whose sum is σ = 47259998. Its totient is φ = 47259996.

The previous prime is 47259977. The next prime is 47260019. The reversal of 47259997 is 79995274.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41718681 + 5541316 = 6459^2 + 2354^2 .

It is a cyclic number.

It is not a de Polignac number, because 47259997 - 2²³ = 38871389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47259907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23629998 + 23629999.

It is an arithmetic number, because the mean of its divisors is an integer number (23629999).

Almost surely, 2^47259997 is an apocalyptic number.

It is an amenable number.

47259997 is a deficient number, since it is larger than the sum of its proper divisors (1).

47259997 is an equidigital number, since it uses as much as digits as its factorization.

47259997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 52.

The square root of 47259997 is about 6874.5906787241. The cubic root of 47259997 is about 361.5468343280.

The spelling of 47259997 in words is "forty-seven million, two hundred fifty-nine thousand, nine hundred ninety-seven".