97455773 has 2 divisors, whose sum is σ = 97455774. Its totient is φ = 97455772.

The previous prime is 97455751. The next prime is 97455793. The reversal of 97455773 is 37755479.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49042009 + 48413764 = 7003^2 + 6958^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97455773 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97455793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48727886 + 48727887.

It is an arithmetic number, because the mean of its divisors is an integer number (48727887).

Almost surely, 2^97455773 is an apocalyptic number.

It is an amenable number.

97455773 is a deficient number, since it is larger than the sum of its proper divisors (1).

97455773 is an equidigital number, since it uses as much as digits as its factorization.

97455773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 926100, while the sum is 47.

The square root of 97455773 is about 9871.9690538413. The cubic root of 97455773 is about 460.1886009865.

The spelling of 97455773 in words is "ninety-seven million, four hundred fifty-five thousand, seven hundred seventy-three".