99425593 has 4 divisors (see below), whose sum is σ = 99445648. Its totient is φ = 99405540.

The previous prime is 99425581. The next prime is 99425603. The reversal of 99425593 is 39552499.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99425593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99425093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3430 + ... + 14512.

It is an arithmetic number, because the mean of its divisors is an integer number (24861412).

Almost surely, 2^99425593 is an apocalyptic number.

It is an amenable number.

99425593 is a deficient number, since it is larger than the sum of its proper divisors (20055).

99425593 is a wasteful number, since it uses less digits than its factorization.

99425593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20054.

The product of its digits is 437400, while the sum is 46.

The square root of 99425593 is about 9971.2382881967. The cubic root of 99425593 is about 463.2684559139.

The spelling of 99425593 in words is "ninety-nine million, four hundred twenty-five thousand, five hundred ninety-three".