25038287 has 4 divisors (see below), whose sum is σ = 25069320. Its totient is φ = 25007256.

The previous prime is 25038271. The next prime is 25038289. The reversal of 25038287 is 78283052.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25038287 - 2⁴ = 25038271 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 (25038289) 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, 14273 + ... + 15930.

It is an arithmetic number, because the mean of its divisors is an integer number (6267330).

Almost surely, 2^25038287 is an apocalyptic number.

25038287 is a deficient number, since it is larger than the sum of its proper divisors (31033).

25038287 is an equidigital number, since it uses as much as digits as its factorization.

25038287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31032.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 25038287 is about 5003.8272352271. The cubic root of 25038287 is about 292.5509668413.

The spelling of 25038287 in words is "twenty-five million, thirty-eight thousand, two hundred eighty-seven".