99340425 has 30 divisors (see below), whose sum is σ = 184016558. Its totient is φ = 52980480.

The previous prime is 99340411. The next prime is 99340453. The reversal of 99340425 is 52404399.

It can be written as a sum of positive squares in 3 ways, for example, as 16548624 + 82791801 = 4068^2 + 9099^2 .

It is not a de Polignac number, because 99340425 - 2⁶ = 99340361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 99340425.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 22504 + ... + 26553.

Almost surely, 2^99340425 is an apocalyptic number.

It is an amenable number.

99340425 is a deficient number, since it is larger than the sum of its proper divisors (84676133).

99340425 is a wasteful number, since it uses less digits than its factorization.

99340425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49079 (or 49065 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 99340425 is about 9966.9666900216. The cubic root of 99340425 is about 463.1361394819.

The spelling of 99340425 in words is "ninety-nine million, three hundred forty thousand, four hundred twenty-five".