2552399 has 4 divisors (see below), whose sum is σ = 2595720. Its totient is φ = 2509080.

The previous prime is 2552393. The next prime is 2552413. The reversal of 2552399 is 9932552.

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

It is a cyclic number.

It is not a de Polignac number, because 2552399 - 2⁴ = 2552383 is a prime.

It is a d-powerful number, because it can be written as 2² + 5² + 5⁹ + 2¹⁶ + 3⁷ + 9² + 9⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21572 + ... + 21689.

It is an arithmetic number, because the mean of its divisors is an integer number (648930).

2^2552399 is an apocalyptic number.

2552399 is a deficient number, since it is larger than the sum of its proper divisors (43321).

2552399 is an equidigital number, since it uses as much as digits as its factorization.

2552399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43320.

The product of its digits is 24300, while the sum is 35.

The square root of 2552399 is about 1597.6229217184. The cubic root of 2552399 is about 136.6625506064.

The spelling of 2552399 in words is "two million, five hundred fifty-two thousand, three hundred ninety-nine".