25253541 has 6 divisors (see below), whose sum is σ = 36477350. Its totient is φ = 16835688.

The previous prime is 25253537. The next prime is 25253587. The reversal of 25253541 is 14535252.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25250625 + 2916 = 5025^2 + 54^2 .

It is not a de Polignac number, because 25253541 - 2² = 25253537 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25253441) 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 5 ways as a sum of consecutive naturals, for example, 1402966 + ... + 1402983.

Almost surely, 2^25253541 is an apocalyptic number.

It is an amenable number.

25253541 is a deficient number, since it is larger than the sum of its proper divisors (11223809).

25253541 is a wasteful number, since it uses less digits than its factorization.

25253541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805955 (or 2805952 counting only the distinct ones).

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

The square root of 25253541 is about 5025.2901408774. The cubic root of 25253541 is about 293.3869287686.

Adding to 25253541 its reverse (14535252), we get a palindrome (39788793).

The spelling of 25253541 in words is "twenty-five million, two hundred fifty-three thousand, five hundred forty-one".