2499565825 has 24 divisors (see below), whose sum is σ = 3345768000. Its totient is φ = 1846743360.

The previous prime is 2499565823. The next prime is 2499565841. The reversal of 2499565825 is 5285659942.

It is not a de Polignac number, because 2499565825 - 2¹ = 2499565823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2499565823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58275 + ... + 91624.

It is an arithmetic number, because the mean of its divisors is an integer number (139407000).

Almost surely, 2^2499565825 is an apocalyptic number.

2499565825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2499565825 is a deficient number, since it is larger than the sum of its proper divisors (846202175).

2499565825 is a wasteful number, since it uses less digits than its factorization.

2499565825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149961 (or 149956 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 55.

The square root of 2499565825 is about 49995.6580614757. The cubic root of 2499565825 is about 1357.1302349308.

The spelling of 2499565825 in words is "two billion, four hundred ninety-nine million, five hundred sixty-five thousand, eight hundred twenty-five".