25747313 has 2 divisors, whose sum is σ = 25747314. Its totient is φ = 25747312.

The previous prime is 25747297. The next prime is 25747339. The reversal of 25747313 is 31374752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18386944 + 7360369 = 4288^2 + 2713^2 .

It is a cyclic number.

It is not a de Polignac number, because 25747313 - 2⁴ = 25747297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25747313.

It is not a weakly prime, because it can be changed into another prime (25747343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12873656 + 12873657.

It is an arithmetic number, because the mean of its divisors is an integer number (12873657).

Almost surely, 2^25747313 is an apocalyptic number.

It is an amenable number.

25747313 is a deficient number, since it is larger than the sum of its proper divisors (1).

25747313 is an equidigital number, since it uses as much as digits as its factorization.

25747313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 32.

The square root of 25747313 is about 5074.1810176619. The cubic root of 25747313 is about 295.2867574567.

The spelling of 25747313 in words is "twenty-five million, seven hundred forty-seven thousand, three hundred thirteen".