25313789 has 4 divisors (see below), whose sum is σ = 25380960. Its totient is φ = 25246620.

The previous prime is 25313779. The next prime is 25313797. The reversal of 25313789 is 98731352.

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 25313789 - 2²⁴ = 8536573 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 (25313749) 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, 33017 + ... + 33774.

It is an arithmetic number, because the mean of its divisors is an integer number (6345240).

Almost surely, 2^25313789 is an apocalyptic number.

It is an amenable number.

25313789 is a deficient number, since it is larger than the sum of its proper divisors (67171).

25313789 is an equidigital number, since it uses as much as digits as its factorization.

25313789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67170.

The product of its digits is 45360, while the sum is 38.

The square root of 25313789 is about 5031.2810495936. The cubic root of 25313789 is about 293.6200569679.

The spelling of 25313789 in words is "twenty-five million, three hundred thirteen thousand, seven hundred eighty-nine".