99425519 has 2 divisors, whose sum is σ = 99425520. Its totient is φ = 99425518.

The previous prime is 99425507. The next prime is 99425567. The reversal of 99425519 is 91552499.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99425519 - 2²⁴ = 82648303 is a prime.

It is a super-2 number, since 2×99425519² = 19770867656838722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99425519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99425569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49712759 + 49712760.

It is an arithmetic number, because the mean of its divisors is an integer number (49712760).

Almost surely, 2^99425519 is an apocalyptic number.

99425519 is a deficient number, since it is larger than the sum of its proper divisors (1).

99425519 is an equidigital number, since it uses as much as digits as its factorization.

99425519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 44.

The square root of 99425519 is about 9971.2345775235. The cubic root of 99425519 is about 463.2683409808.

The spelling of 99425519 in words is "ninety-nine million, four hundred twenty-five thousand, five hundred nineteen".