99257507 has 2 divisors, whose sum is σ = 99257508. Its totient is φ = 99257506.

The previous prime is 99257453. The next prime is 99257513. The reversal of 99257507 is 70575299.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99257507 - 2¹⁰ = 99256483 is a prime.

It is not a weakly prime, because it can be changed into another prime (99257527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49628753 + 49628754.

It is an arithmetic number, because the mean of its divisors is an integer number (49628754).

Almost surely, 2^99257507 is an apocalyptic number.

99257507 is a deficient number, since it is larger than the sum of its proper divisors (1).

99257507 is an equidigital number, since it uses as much as digits as its factorization.

99257507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 198450, while the sum is 44.

The square root of 99257507 is about 9962.8061809914. The cubic root of 99257507 is about 463.0072459592.

The spelling of 99257507 in words is "ninety-nine million, two hundred fifty-seven thousand, five hundred seven".