2025399 has 4 divisors (see below), whose sum is σ = 2700536. Its totient is φ = 1350264.

The previous prime is 2025377. The next prime is 2025409. The reversal of 2025399 is 9935202.

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

It is not a de Polignac number, because 2025399 - 2⁵ = 2025367 is a prime.

It is a super-2 number, since 2×2025399² = 8204482218402, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

2025399 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025349) 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, 337564 + ... + 337569.

It is an arithmetic number, because the mean of its divisors is an integer number (675134).

2^2025399 is an apocalyptic number.

2025399 is a deficient number, since it is larger than the sum of its proper divisors (675137).

2025399 is an equidigital number, since it uses as much as digits as its factorization.

2025399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675136.

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

The square root of 2025399 is about 1423.1651344802. The cubic root of 2025399 is about 126.5232086232.

The spelling of 2025399 in words is "two million, twenty-five thousand, three hundred ninety-nine".