2525403 has 4 divisors (see below), whose sum is σ = 3367208. Its totient is φ = 1683600.

The previous prime is 2525389. The next prime is 2525417. The reversal of 2525403 is 3045252.

2525403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (2525389) and next prime (2525417).

It is not a de Polignac number, because 2525403 - 2⁴ = 2525387 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2525403.

It is not an unprimeable number, because it can be changed into a prime (2525443) 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 3 ways as a sum of consecutive naturals, for example, 420898 + ... + 420903.

It is an arithmetic number, because the mean of its divisors is an integer number (841802).

2^2525403 is an apocalyptic number.

2525403 is a deficient number, since it is larger than the sum of its proper divisors (841805).

2525403 is an equidigital number, since it uses as much as digits as its factorization.

2525403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841804.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 2525403 is about 1589.1516604780. The cubic root of 2525403 is about 136.1790282117.

The spelling of 2525403 in words is "two million, five hundred twenty-five thousand, four hundred three".