25425793 has 4 divisors (see below), whose sum is σ = 25435908. Its totient is φ = 25415680.

The previous prime is 25425773. The next prime is 25425811. The reversal of 25425793 is 39752452.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 21977344 + 3448449 = 4688^2 + 1857^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25425793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25425703) 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, 1953 + ... + 7393.

It is an arithmetic number, because the mean of its divisors is an integer number (6358977).

Almost surely, 2^25425793 is an apocalyptic number.

It is an amenable number.

25425793 is a deficient number, since it is larger than the sum of its proper divisors (10115).

25425793 is an equidigital number, since it uses as much as digits as its factorization.

25425793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10114.

The product of its digits is 75600, while the sum is 37.

The square root of 25425793 is about 5042.3995280025. The cubic root of 25425793 is about 294.0524726247.

The spelling of 25425793 in words is "twenty-five million, four hundred twenty-five thousand, seven hundred ninety-three".