25227385 has 4 divisors (see below), whose sum is σ = 30272868. Its totient is φ = 20181904.

The previous prime is 25227373. The next prime is 25227409. The reversal of 25227385 is 58372252.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19900521 + 5326864 = 4461^2 + 2308^2 .

It is a cyclic number.

It is not a de Polignac number, because 25227385 - 2⁵ = 25227353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25227385.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2522734 + ... + 2522743.

It is an arithmetic number, because the mean of its divisors is an integer number (7568217).

Almost surely, 2^25227385 is an apocalyptic number.

It is an amenable number.

25227385 is a deficient number, since it is larger than the sum of its proper divisors (5045483).

25227385 is an equidigital number, since it uses as much as digits as its factorization.

25227385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5045482.

The product of its digits is 33600, while the sum is 34.

The square root of 25227385 is about 5022.6870298676. The cubic root of 25227385 is about 293.2856033164.

The spelling of 25227385 in words is "twenty-five million, two hundred twenty-seven thousand, three hundred eighty-five".