25541957 has 8 divisors (see below), whose sum is σ = 29870016. Its totient is φ = 21383712.

The previous prime is 25541933. The next prime is 25541963. The reversal of 25541957 is 75914552.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25541957 - 2¹² = 25537861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25541957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25541917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42128 + ... + 42729.

It is an arithmetic number, because the mean of its divisors is an integer number (3733752).

Almost surely, 2^25541957 is an apocalyptic number.

It is an amenable number.

25541957 is a deficient number, since it is larger than the sum of its proper divisors (4328059).

25541957 is an equidigital number, since it uses as much as digits as its factorization.

25541957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84907.

The product of its digits is 63000, while the sum is 38.

The square root of 25541957 is about 5053.9051237632. The cubic root of 25541957 is about 294.4996094206.

The spelling of 25541957 in words is "twenty-five million, five hundred forty-one thousand, nine hundred fifty-seven".