2439258225 has 24 divisors (see below), whose sum is σ = 4036110720. Its totient is φ = 1299904320.

The previous prime is 2439258113. The next prime is 2439258229. The reversal of 2439258225 is 5228529342.

It is a happy number.

It is not a de Polignac number, because 2439258225 - 2¹⁰ = 2439257201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2439258229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87271 + ... + 111779.

It is an arithmetic number, because the mean of its divisors is an integer number (168171280).

Almost surely, 2^2439258225 is an apocalyptic number.

2439258225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2439258225 is a deficient number, since it is larger than the sum of its proper divisors (1596852495).

2439258225 is a wasteful number, since it uses less digits than its factorization.

2439258225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25849 (or 25844 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The square root of 2439258225 is about 49388.8471722109. The cubic root of 2439258225 is about 1346.1266615400.

The spelling of 2439258225 in words is "two billion, four hundred thirty-nine million, two hundred fifty-eight thousand, two hundred twenty-five".