25625789 has 4 divisors (see below), whose sum is σ = 29286624. Its totient is φ = 21964956.

The previous prime is 25625773. The next prime is 25625837. The reversal of 25625789 is 98752652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25625789 - 2⁴ = 25625773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25625759) 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, 1830407 + ... + 1830420.

It is an arithmetic number, because the mean of its divisors is an integer number (7321656).

Almost surely, 2^25625789 is an apocalyptic number.

It is an amenable number.

25625789 is a deficient number, since it is larger than the sum of its proper divisors (3660835).

25625789 is an equidigital number, since it uses as much as digits as its factorization.

25625789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3660834.

The product of its digits is 302400, while the sum is 44.

The square root of 25625789 is about 5062.1921140944. The cubic root of 25625789 is about 294.8214528112.

The spelling of 25625789 in words is "twenty-five million, six hundred twenty-five thousand, seven hundred eighty-nine".