2502399 has 4 divisors (see below), whose sum is σ = 3336536. Its totient is φ = 1668264.

The previous prime is 2502397. The next prime is 2502407. The reversal of 2502399 is 9932052.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2502399 - 2¹ = 2502397 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2502391) 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, 417064 + ... + 417069.

It is an arithmetic number, because the mean of its divisors is an integer number (834134).

2^2502399 is an apocalyptic number.

2502399 is a deficient number, since it is larger than the sum of its proper divisors (834137).

2502399 is an equidigital number, since it uses as much as digits as its factorization.

2502399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834136.

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

The square root of 2502399 is about 1581.8972785867. The cubic root of 2502399 is about 135.7642795367.

The spelling of 2502399 in words is "two million, five hundred two thousand, three hundred ninety-nine".