25038389 has 4 divisors (see below), whose sum is σ = 25133856. Its totient is φ = 24942924.

The previous prime is 25038383. The next prime is 25038401. The reversal of 25038389 is 98383052.

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 25038389 - 2¹⁶ = 24972853 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25038383) 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, 47339 + ... + 47864.

It is an arithmetic number, because the mean of its divisors is an integer number (6283464).

Almost surely, 2^25038389 is an apocalyptic number.

It is an amenable number.

25038389 is a deficient number, since it is larger than the sum of its proper divisors (95467).

25038389 is an equidigital number, since it uses as much as digits as its factorization.

25038389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95466.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 25038389 is about 5003.8374274151. The cubic root of 25038389 is about 292.5513641017.

The spelling of 25038389 in words is "twenty-five million, thirty-eight thousand, three hundred eighty-nine".