25616741 has 2 divisors, whose sum is σ = 25616742. Its totient is φ = 25616740.

The previous prime is 25616711. The next prime is 25616743. The reversal of 25616741 is 14761652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20666116 + 4950625 = 4546^2 + 2225^2 .

It is a cyclic number.

It is not a de Polignac number, because 25616741 - 2¹⁰ = 25615717 is a prime.

It is a super-2 number, since 2×25616741² = 1312434838922162, which contains 22 as substring.

Together with 25616743, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 25616698 and 25616707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25616743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12808370 + 12808371.

It is an arithmetic number, because the mean of its divisors is an integer number (12808371).

Almost surely, 2^25616741 is an apocalyptic number.

It is an amenable number.

25616741 is a deficient number, since it is larger than the sum of its proper divisors (1).

25616741 is an equidigital number, since it uses as much as digits as its factorization.

25616741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 25616741 is about 5061.2983512138. The cubic root of 25616741 is about 294.7867500291.

The spelling of 25616741 in words is "twenty-five million, six hundred sixteen thousand, seven hundred forty-one".