25235541 has 12 divisors (see below), whose sum is σ = 37340940. Its totient is φ = 16413120.

The previous prime is 25235527. The next prime is 25235543. The reversal of 25235541 is 14553252.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9790641 + 15444900 = 3129^2 + 3930^2 .

It is not a de Polignac number, because 25235541 - 2¹⁴ = 25219157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25235543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33826 + ... + 34563.

It is an arithmetic number, because the mean of its divisors is an integer number (3111745).

Almost surely, 2^25235541 is an apocalyptic number.

It is an amenable number.

25235541 is a deficient number, since it is larger than the sum of its proper divisors (12105399).

25235541 is a wasteful number, since it uses less digits than its factorization.

25235541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68436 (or 68433 counting only the distinct ones).

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

The square root of 25235541 is about 5023.4988802626. The cubic root of 25235541 is about 293.3172062702.

Adding to 25235541 its reverse (14553252), we get a palindrome (39788793).

The spelling of 25235541 in words is "twenty-five million, two hundred thirty-five thousand, five hundred forty-one".