899499625 has 8 divisors (see below), whose sum is σ = 1122575688. Its totient is φ = 719599600.

The previous prime is 899499599. The next prime is 899499647. The reversal of 899499625 is 526994998.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 242705241 + 656794384 = 15579^2 + 25628^2 .

It is not a de Polignac number, because 899499625 - 2¹³ = 899491433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3597874 + ... + 3598123.

It is an arithmetic number, because the mean of its divisors is an integer number (140321961).

Almost surely, 2^899499625 is an apocalyptic number.

It is an amenable number.

899499625 is a deficient number, since it is larger than the sum of its proper divisors (223076063).

899499625 is an equidigital number, since it uses as much as digits as its factorization.

899499625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7196012 (or 7196002 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 61.

The square root of 899499625 is about 29991.6592572002. The cubic root of 899499625 is about 965.3104230094.

The spelling of 899499625 in words is "eight hundred ninety-nine million, four hundred ninety-nine thousand, six hundred twenty-five".