25225988 has 12 divisors (see below), whose sum is σ = 45222492. Its totient is φ = 12305280.

The previous prime is 25225961. The next prime is 25225997. The reversal of 25225988 is 88952252.

25225988 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 2 ways, for example, as 2166784 + 23059204 = 1472^2 + 4802^2 .

It is a super-2 number, since 2×25225988² = 1272700941152288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76745 + ... + 77072.

It is an arithmetic number, because the mean of its divisors is an integer number (3768541).

Almost surely, 2^25225988 is an apocalyptic number.

It is an amenable number.

25225988 is a deficient number, since it is larger than the sum of its proper divisors (19996504).

25225988 is a wasteful number, since it uses less digits than its factorization.

25225988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153862 (or 153860 counting only the distinct ones).

The product of its digits is 115200, while the sum is 41.

The square root of 25225988 is about 5022.5479589547. The cubic root of 25225988 is about 293.2801895230.

The spelling of 25225988 in words is "twenty-five million, two hundred twenty-five thousand, nine hundred eighty-eight".