25394741 has 2 divisors, whose sum is σ = 25394742. Its totient is φ = 25394740.

The previous prime is 25394723. The next prime is 25394771. The reversal of 25394741 is 14749352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23280625 + 2114116 = 4825^2 + 1454^2 .

It is a cyclic number.

It is not a de Polignac number, because 25394741 - 2¹⁰ = 25393717 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25394701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12697370 + 12697371.

It is an arithmetic number, because the mean of its divisors is an integer number (12697371).

Almost surely, 2^25394741 is an apocalyptic number.

It is an amenable number.

25394741 is a deficient number, since it is larger than the sum of its proper divisors (1).

25394741 is an equidigital number, since it uses as much as digits as its factorization.

25394741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 25394741 is about 5039.3194977100. The cubic root of 25394741 is about 293.9327171067.

The spelling of 25394741 in words is "twenty-five million, three hundred ninety-four thousand, seven hundred forty-one".