25597141 has 2 divisors, whose sum is σ = 25597142. Its totient is φ = 25597140.

The previous prime is 25597127. The next prime is 25597153. The reversal of 25597141 is 14179552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24462916 + 1134225 = 4946^2 + 1065^2 .

It is a cyclic number.

It is not a de Polignac number, because 25597141 - 2⁵ = 25597109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25597097 and 25597106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25597441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12798570 + 12798571.

It is an arithmetic number, because the mean of its divisors is an integer number (12798571).

Almost surely, 2^25597141 is an apocalyptic number.

It is an amenable number.

25597141 is a deficient number, since it is larger than the sum of its proper divisors (1).

25597141 is an equidigital number, since it uses as much as digits as its factorization.

25597141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 34.

The square root of 25597141 is about 5059.3617186361. The cubic root of 25597141 is about 294.7115479765.

The spelling of 25597141 in words is "twenty-five million, five hundred ninety-seven thousand, one hundred forty-one".