97145263 has 2 divisors, whose sum is σ = 97145264. Its totient is φ = 97145262.

The previous prime is 97145207. The next prime is 97145291. The reversal of 97145263 is 36254179.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97145263 - 2²¹ = 95048111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97145063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48572631 + 48572632.

It is an arithmetic number, because the mean of its divisors is an integer number (48572632).

Almost surely, 2^97145263 is an apocalyptic number.

97145263 is a deficient number, since it is larger than the sum of its proper divisors (1).

97145263 is an equidigital number, since it uses as much as digits as its factorization.

97145263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 97145263 is about 9856.2296543861. The cubic root of 97145263 is about 459.6993356593.

The spelling of 97145263 in words is "ninety-seven million, one hundred forty-five thousand, two hundred sixty-three".