47256497 has 2 divisors, whose sum is σ = 47256498. Its totient is φ = 47256496.

The previous prime is 47256449. The next prime is 47256509. The reversal of 47256497 is 79465274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25391521 + 21864976 = 5039^2 + 4676^2 .

It is a cyclic number.

It is not a de Polignac number, because 47256497 - 2¹⁴ = 47240113 is a prime.

It is a super-2 number, since 2×47256497² = 4466353017422018, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47256397) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23628248 + 23628249.

It is an arithmetic number, because the mean of its divisors is an integer number (23628249).

Almost surely, 2^47256497 is an apocalyptic number.

It is an amenable number.

47256497 is a deficient number, since it is larger than the sum of its proper divisors (1).

47256497 is an equidigital number, since it uses as much as digits as its factorization.

47256497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 44.

The square root of 47256497 is about 6874.3361134003. The cubic root of 47256497 is about 361.5379089137.

The spelling of 47256497 in words is "forty-seven million, two hundred fifty-six thousand, four hundred ninety-seven".