97255507 has 2 divisors, whose sum is σ = 97255508. Its totient is φ = 97255506.

The previous prime is 97255493. The next prime is 97255537. The reversal of 97255507 is 70555279.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97255507 - 2¹⁵ = 97222739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97255507.

It is not a weakly prime, because it can be changed into another prime (97255537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48627753 + 48627754.

It is an arithmetic number, because the mean of its divisors is an integer number (48627754).

Almost surely, 2^97255507 is an apocalyptic number.

97255507 is a deficient number, since it is larger than the sum of its proper divisors (1).

97255507 is an equidigital number, since it uses as much as digits as its factorization.

97255507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110250, while the sum is 40.

The square root of 97255507 is about 9861.8206736890. The cubic root of 97255507 is about 459.8731644638.

The spelling of 97255507 in words is "ninety-seven million, two hundred fifty-five thousand, five hundred seven".