25577441 has 2 divisors, whose sum is σ = 25577442. Its totient is φ = 25577440.

The previous prime is 25577423. The next prime is 25577473. The reversal of 25577441 is 14477552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15241216 + 10336225 = 3904^2 + 3215^2 .

It is a cyclic number.

It is not a de Polignac number, because 25577441 - 2¹⁴ = 25561057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25577941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12788720 + 12788721.

It is an arithmetic number, because the mean of its divisors is an integer number (12788721).

Almost surely, 2^25577441 is an apocalyptic number.

It is an amenable number.

25577441 is a deficient number, since it is larger than the sum of its proper divisors (1).

25577441 is an equidigital number, since it uses as much as digits as its factorization.

25577441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39200, while the sum is 35.

The square root of 25577441 is about 5057.4144580012. The cubic root of 25577441 is about 294.6359235470.

The spelling of 25577441 in words is "twenty-five million, five hundred seventy-seven thousand, four hundred forty-one".