2399025 has 24 divisors (see below), whose sum is σ = 4106880. Its totient is φ = 1234240.

The previous prime is 2399017. The next prime is 2399027. The reversal of 2399025 is 5209932.

It is not a de Polignac number, because 2399025 - 2³ = 2399017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2398983 and 2399001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2399027) 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, 1624 + ... + 2726.

It is an arithmetic number, because the mean of its divisors is an integer number (171120).

2^2399025 is an apocalyptic number.

2399025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2399025 is a deficient number, since it is larger than the sum of its proper divisors (1707855).

2399025 is a wasteful number, since it uses less digits than its factorization.

2399025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 2399025 is about 1548.8786266199. The cubic root of 2399025 is about 133.8684570850.

The spelling of 2399025 in words is "two million, three hundred ninety-nine thousand, twenty-five".