25038769 has 4 divisors (see below), whose sum is σ = 28615744. Its totient is φ = 21461796.

The previous prime is 25038757. The next prime is 25038779. The reversal of 25038769 is 96783052.

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 25038769 - 2⁷ = 25038641 is a prime.

It is a super-2 number, since 2×25038769² = 1253879906070722, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25038709) 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, 1788477 + ... + 1788490.

It is an arithmetic number, because the mean of its divisors is an integer number (7153936).

Almost surely, 2^25038769 is an apocalyptic number.

It is an amenable number.

25038769 is a deficient number, since it is larger than the sum of its proper divisors (3576975).

25038769 is an equidigital number, since it uses as much as digits as its factorization.

25038769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3576974.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 25038769 is about 5003.8753981289. The cubic root of 25038769 is about 292.5528440819.

The spelling of 25038769 in words is "twenty-five million, thirty-eight thousand, seven hundred sixty-nine".