97256447 has 2 divisors, whose sum is σ = 97256448. Its totient is φ = 97256446.

The previous prime is 97256413. The next prime is 97256477. The reversal of 97256447 is 74465279.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97256447 - 2¹⁶ = 97190911 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 97256398 and 97256407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97256477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48628223 + 48628224.

It is an arithmetic number, because the mean of its divisors is an integer number (48628224).

Almost surely, 2^97256447 is an apocalyptic number.

97256447 is a deficient number, since it is larger than the sum of its proper divisors (1).

97256447 is an equidigital number, since it uses as much as digits as its factorization.

97256447 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 97256447 is about 9861.8683321164. The cubic root of 97256447 is about 459.8746460573.

The spelling of 97256447 in words is "ninety-seven million, two hundred fifty-six thousand, four hundred forty-seven".