25090541 has 4 divisors (see below), whose sum is σ = 28674912. Its totient is φ = 21506172.

The previous prime is 25090519. The next prime is 25090553. The reversal of 25090541 is 14509052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25090541 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25090541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25090841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1792175 + ... + 1792188.

It is an arithmetic number, because the mean of its divisors is an integer number (7168728).

Almost surely, 2^25090541 is an apocalyptic number.

It is an amenable number.

25090541 is a deficient number, since it is larger than the sum of its proper divisors (3584371).

25090541 is an equidigital number, since it uses as much as digits as its factorization.

25090541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584370.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 25090541 is about 5009.0459171383. The cubic root of 25090541 is about 292.7543398608.

Adding to 25090541 its reverse (14509052), we get a palindrome (39599593).

The spelling of 25090541 in words is "twenty-five million, ninety thousand, five hundred forty-one".