99025919 has 2 divisors, whose sum is σ = 99025920. Its totient is φ = 99025918.

The previous prime is 99025909. The next prime is 99025921. The reversal of 99025919 is 91952099.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99025919 - 2⁴ = 99025903 is a prime.

It is a super-2 number, since 2×99025919² = 19612265267589122, which contains 22 as substring.

Together with 99025921, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99025919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99025909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49512959 + 49512960.

It is an arithmetic number, because the mean of its divisors is an integer number (49512960).

Almost surely, 2^99025919 is an apocalyptic number.

99025919 is a deficient number, since it is larger than the sum of its proper divisors (1).

99025919 is an equidigital number, since it uses as much as digits as its factorization.

99025919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65610, while the sum is 44.

The square root of 99025919 is about 9951.1767645842. The cubic root of 99025919 is about 462.6468687690.

The spelling of 99025919 in words is "ninety-nine million, twenty-five thousand, nine hundred nineteen".