25260281 has 2 divisors, whose sum is σ = 25260282. Its totient is φ = 25260280.

The previous prime is 25260269. The next prime is 25260289. The reversal of 25260281 is 18206252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14891881 + 10368400 = 3859^2 + 3220^2 .

It is a cyclic number.

It is not a de Polignac number, because 25260281 - 2¹⁸ = 24998137 is a prime.

It is a super-2 number, since 2×25260281² = 1276163592397922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25260281.

It is not a weakly prime, because it can be changed into another prime (25260289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12630140 + 12630141.

It is an arithmetic number, because the mean of its divisors is an integer number (12630141).

Almost surely, 2^25260281 is an apocalyptic number.

It is an amenable number.

25260281 is a deficient number, since it is larger than the sum of its proper divisors (1).

25260281 is an equidigital number, since it uses as much as digits as its factorization.

25260281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 25260281 is about 5025.9607041838. The cubic root of 25260281 is about 293.4130274453.

The spelling of 25260281 in words is "twenty-five million, two hundred sixty thousand, two hundred eighty-one".