25577941 has 2 divisors, whose sum is σ = 25577942. Its totient is φ = 25577940.

The previous prime is 25577921. The next prime is 25577957. The reversal of 25577941 is 14977552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25150225 + 427716 = 5015^2 + 654^2 .

It is a cyclic number.

It is not a de Polignac number, because 25577941 - 2¹³ = 25569749 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25577894 and 25577903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25577921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12788970 + 12788971.

It is an arithmetic number, because the mean of its divisors is an integer number (12788971).

Almost surely, 2^25577941 is an apocalyptic number.

It is an amenable number.

25577941 is a deficient number, since it is larger than the sum of its proper divisors (1).

25577941 is an equidigital number, since it uses as much as digits as its factorization.

25577941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88200, while the sum is 40.

The square root of 25577941 is about 5057.4638901331. The cubic root of 25577941 is about 294.6378434290.

The spelling of 25577941 in words is "twenty-five million, five hundred seventy-seven thousand, nine hundred forty-one".