25200481 has 2 divisors, whose sum is σ = 25200482. Its totient is φ = 25200480.

The previous prime is 25200457. The next prime is 25200491. The reversal of 25200481 is 18400252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25200400 + 81 = 5020^2 + 9^2 .

It is a cyclic number.

It is not a de Polignac number, because 25200481 - 2⁷ = 25200353 is a prime.

It is a super-2 number, since 2×25200481² = 1270128485262722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25200421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12600240 + 12600241.

It is an arithmetic number, because the mean of its divisors is an integer number (12600241).

Almost surely, 2^25200481 is an apocalyptic number.

It is an amenable number.

25200481 is a deficient number, since it is larger than the sum of its proper divisors (1).

25200481 is an equidigital number, since it uses as much as digits as its factorization.

25200481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 25200481 is about 5020.0080677226. The cubic root of 25200481 is about 293.1813070986.

It can be divided in two parts, 252004 and 81, that multiplied together give a square (20412324 = 4518²).

The spelling of 25200481 in words is "twenty-five million, two hundred thousand, four hundred eighty-one".