25134281 has 2 divisors, whose sum is σ = 25134282. Its totient is φ = 25134280.

The previous prime is 25134259. The next prime is 25134293. The reversal of 25134281 is 18243152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12996025 + 12138256 = 3605^2 + 3484^2 .

It is a cyclic number.

It is not a de Polignac number, because 25134281 - 2⁶ = 25134217 is a prime.

It is a super-2 number, since 2×25134281² = 1263464162773922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

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 25134281.

It is not a weakly prime, because it can be changed into another prime (25134481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12567140 + 12567141.

It is an arithmetic number, because the mean of its divisors is an integer number (12567141).

Almost surely, 2^25134281 is an apocalyptic number.

It is an amenable number.

25134281 is a deficient number, since it is larger than the sum of its proper divisors (1).

25134281 is an equidigital number, since it uses as much as digits as its factorization.

25134281 is an evil number, because the sum of its binary digits is even.

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

The square root of 25134281 is about 5013.4101168765. The cubic root of 25134281 is about 292.9243593256.

The spelling of 25134281 in words is "twenty-five million, one hundred thirty-four thousand, two hundred eighty-one".