97257473 has 2 divisors, whose sum is σ = 97257474. Its totient is φ = 97257472.

The previous prime is 97257437. The next prime is 97257499. The reversal of 97257473 is 37475279.

Together with previous prime (97257437) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79423744 + 17833729 = 8912^2 + 4223^2 .

It is a cyclic number.

It is not a de Polignac number, because 97257473 - 2¹⁶ = 97191937 is a prime.

It is a nialpdrome in base 14.

It is not a weakly prime, because it can be changed into another prime (97257403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48628736 + 48628737.

It is an arithmetic number, because the mean of its divisors is an integer number (48628737).

Almost surely, 2^97257473 is an apocalyptic number.

It is an amenable number.

97257473 is a deficient number, since it is larger than the sum of its proper divisors (1).

97257473 is an equidigital number, since it uses as much as digits as its factorization.

97257473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 370440, while the sum is 44.

The square root of 97257473 is about 9861.9203505200. The cubic root of 97257473 is about 459.8762631900.

The spelling of 97257473 in words is "ninety-seven million, two hundred fifty-seven thousand, four hundred seventy-three".