25757741 has 2 divisors, whose sum is σ = 25757742. Its totient is φ = 25757740.

The previous prime is 25757707. The next prime is 25757761. The reversal of 25757741 is 14775752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25755625 + 2116 = 5075^2 + 46^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25757741 is a prime.

It is a super-2 number, since 2×25757741² = 1326922442846162, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25757695 and 25757704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25757701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12878870 + 12878871.

It is an arithmetic number, because the mean of its divisors is an integer number (12878871).

Almost surely, 2^25757741 is an apocalyptic number.

It is an amenable number.

25757741 is a deficient number, since it is larger than the sum of its proper divisors (1).

25757741 is an equidigital number, since it uses as much as digits as its factorization.

25757741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68600, while the sum is 38.

The square root of 25757741 is about 5075.2084686247. The cubic root of 25757741 is about 295.3266170813.

The spelling of 25757741 in words is "twenty-five million, seven hundred fifty-seven thousand, seven hundred forty-one".