25456441 has 2 divisors, whose sum is σ = 25456442. Its totient is φ = 25456440.

The previous prime is 25456427. The next prime is 25456489. The reversal of 25456441 is 14465452.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22052416 + 3404025 = 4696^2 + 1845^2 .

It is a cyclic number.

It is not a de Polignac number, because 25456441 - 2¹¹ = 25454393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25456241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12728220 + 12728221.

It is an arithmetic number, because the mean of its divisors is an integer number (12728221).

Almost surely, 2^25456441 is an apocalyptic number.

It is an amenable number.

25456441 is a deficient number, since it is larger than the sum of its proper divisors (1).

25456441 is an equidigital number, since it uses as much as digits as its factorization.

25456441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 31.

The square root of 25456441 is about 5045.4376420683. The cubic root of 25456441 is about 294.1705745008.

The spelling of 25456441 in words is "twenty-five million, four hundred fifty-six thousand, four hundred forty-one".