25557341 has 4 divisors (see below), whose sum is σ = 27060732. Its totient is φ = 24053952.

The previous prime is 25557317. The next prime is 25557359. The reversal of 25557341 is 14375552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17884441 + 7672900 = 4229^2 + 2770^2 .

It is a cyclic number.

It is not a de Polignac number, because 25557341 - 2¹⁰ = 25556317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25557298 and 25557307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25557541) 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, 751670 + ... + 751703.

It is an arithmetic number, because the mean of its divisors is an integer number (6765183).

Almost surely, 2^25557341 is an apocalyptic number.

It is an amenable number.

25557341 is a deficient number, since it is larger than the sum of its proper divisors (1503391).

25557341 is a wasteful number, since it uses less digits than its factorization.

25557341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503390.

The product of its digits is 21000, while the sum is 32.

The square root of 25557341 is about 5055.4268860305. The cubic root of 25557341 is about 294.5587235637.

The spelling of 25557341 in words is "twenty-five million, five hundred fifty-seven thousand, three hundred forty-one".