25226725 has 12 divisors (see below), whose sum is σ = 33121764. Its totient is φ = 18993920.

The previous prime is 25226717. The next prime is 25226753. The reversal of 25226725 is 52762252.

It can be written as a sum of positive squares in 6 ways, for example, as 6241 + 25220484 = 79^2 + 5022^2 .

It is not a de Polignac number, because 25226725 - 2³ = 25226717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29254 + ... + 30103.

It is an arithmetic number, because the mean of its divisors is an integer number (2760147).

Almost surely, 2^25226725 is an apocalyptic number.

25226725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25226725 is a deficient number, since it is larger than the sum of its proper divisors (7895039).

25226725 is a wasteful number, since it uses less digits than its factorization.

25226725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59384 (or 59379 counting only the distinct ones).

The product of its digits is 16800, while the sum is 31.

The square root of 25226725 is about 5022.6213275540. The cubic root of 25226725 is about 293.2830456436.

Adding to 25226725 its reverse (52762252), we get a palindrome (77988977).

The spelling of 25226725 in words is "twenty-five million, two hundred twenty-six thousand, seven hundred twenty-five".