25056541 has 2 divisors, whose sum is σ = 25056542. Its totient is φ = 25056540.

The previous prime is 25056517. The next prime is 25056547. The reversal of 25056541 is 14565052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12630916 + 12425625 = 3554^2 + 3525^2 .

It is a cyclic number.

It is not a de Polignac number, because 25056541 - 2⁷ = 25056413 is a prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25056547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12528270 + 12528271.

It is an arithmetic number, because the mean of its divisors is an integer number (12528271).

Almost surely, 2^25056541 is an apocalyptic number.

It is an amenable number.

25056541 is a deficient number, since it is larger than the sum of its proper divisors (1).

25056541 is an equidigital number, since it uses as much as digits as its factorization.

25056541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 25056541 is about 5005.6509067253. The cubic root of 25056541 is about 292.6220436968.

The spelling of 25056541 in words is "twenty-five million, fifty-six thousand, five hundred forty-one".