25245153 has 12 divisors (see below), whose sum is σ = 38610468. Its totient is φ = 15840000.

The previous prime is 25245139. The next prime is 25245229. The reversal of 25245153 is 35154252.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9941409 + 15303744 = 3153^2 + 3912^2 .

It is not a de Polignac number, because 25245153 - 2⁶ = 25245089 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (25245133) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 82348 + ... + 82653.

It is an arithmetic number, because the mean of its divisors is an integer number (3217539).

Almost surely, 2^25245153 is an apocalyptic number.

It is an amenable number.

25245153 is a deficient number, since it is larger than the sum of its proper divisors (13365315).

25245153 is a wasteful number, since it uses less digits than its factorization.

25245153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165024 (or 165021 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 25245153 is about 5024.4554928868. The cubic root of 25245153 is about 293.3544422080.

Subtracting 25245153 from its reverse (35154252), we obtain a palindrome (9909099).

The spelling of 25245153 in words is "twenty-five million, two hundred forty-five thousand, one hundred fifty-three".