25252273 has 4 divisors (see below), whose sum is σ = 26581360. Its totient is φ = 23923188.

The previous prime is 25252247. The next prime is 25252277. The reversal of 25252273 is 37225252.

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 25252273 - 2⁹ = 25251761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25252277) 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, 664515 + ... + 664552.

It is an arithmetic number, because the mean of its divisors is an integer number (6645340).

Almost surely, 2^25252273 is an apocalyptic number.

It is an amenable number.

25252273 is a deficient number, since it is larger than the sum of its proper divisors (1329087).

25252273 is a wasteful number, since it uses less digits than its factorization.

25252273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329086.

The product of its digits is 8400, while the sum is 28.

The square root of 25252273 is about 5025.1639774240. The cubic root of 25252273 is about 293.3820182909.

It can be divided in two parts, 252 and 52273, that added together give a palindrome (52525).

The spelling of 25252273 in words is "twenty-five million, two hundred fifty-two thousand, two hundred seventy-three".