25226385 has 16 divisors (see below), whose sum is σ = 42736896. Its totient is φ = 12662528.

The previous prime is 25226347. The next prime is 25226387. The reversal of 25226385 is 58362252.

It is a cyclic number.

It is not a de Polignac number, because 25226385 - 2⁶ = 25226321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25226387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49209 + ... + 49718.

It is an arithmetic number, because the mean of its divisors is an integer number (2671056).

Almost surely, 2^25226385 is an apocalyptic number.

It is an amenable number.

25226385 is a deficient number, since it is larger than the sum of its proper divisors (17510511).

25226385 is a wasteful number, since it uses less digits than its factorization.

25226385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98952.

The product of its digits is 28800, while the sum is 33.

The square root of 25226385 is about 5022.5874805721. The cubic root of 25226385 is about 293.2817280372.

The spelling of 25226385 in words is "twenty-five million, two hundred twenty-six thousand, three hundred eighty-five".