25474481 has 2 divisors, whose sum is σ = 25474482. Its totient is φ = 25474480.

The previous prime is 25474469. The next prime is 25474487. The reversal of 25474481 is 18447452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25090081 + 384400 = 5009^2 + 620^2 .

It is a cyclic number.

It is not a de Polignac number, because 25474481 - 2⁶ = 25474417 is a prime.

It is a super-2 number, since 2×25474481² = 1297898364438722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25474487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12737240 + 12737241.

It is an arithmetic number, because the mean of its divisors is an integer number (12737241).

Almost surely, 2^25474481 is an apocalyptic number.

It is an amenable number.

25474481 is a deficient number, since it is larger than the sum of its proper divisors (1).

25474481 is an equidigital number, since it uses as much as digits as its factorization.

25474481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35840, while the sum is 35.

The square root of 25474481 is about 5047.2250791896. The cubic root of 25474481 is about 294.2400472140.

The spelling of 25474481 in words is "twenty-five million, four hundred seventy-four thousand, four hundred eighty-one".