99250425 has 18 divisors (see below), whose sum is σ = 177768942. Its totient is φ = 52933440.

The previous prime is 99250421. The next prime is 99250429. The reversal of 99250425 is 52405299.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (99250421) and next prime (99250429).

It can be written as a sum of positive squares in 3 ways, for example, as 12089529 + 87160896 = 3477^2 + 9336^2 .

It is not a de Polignac number, because 99250425 - 2² = 99250421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99250425.

It is not an unprimeable number, because it can be changed into a prime (99250421) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 220332 + ... + 220781.

Almost surely, 2^99250425 is an apocalyptic number.

It is an amenable number.

99250425 is a deficient number, since it is larger than the sum of its proper divisors (78518517).

99250425 is a wasteful number, since it uses less digits than its factorization.

99250425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441129 (or 441121 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 99250425 is about 9962.4507527014. The cubic root of 99250425 is about 462.9962338776.

The spelling of 99250425 in words is "ninety-nine million, two hundred fifty thousand, four hundred twenty-five".