25709363 has 2 divisors, whose sum is σ = 25709364. Its totient is φ = 25709362.

The previous prime is 25709353. The next prime is 25709371. The reversal of 25709363 is 36390752.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25709363 is a prime.

It is not a weakly prime, because it can be changed into another prime (25709303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12854681 + 12854682.

It is an arithmetic number, because the mean of its divisors is an integer number (12854682).

Almost surely, 2^25709363 is an apocalyptic number.

25709363 is a deficient number, since it is larger than the sum of its proper divisors (1).

25709363 is an equidigital number, since it uses as much as digits as its factorization.

25709363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 25709363 is about 5070.4401189640. The cubic root of 25709363 is about 295.1416077773.

The spelling of 25709363 in words is "twenty-five million, seven hundred nine thousand, three hundred sixty-three".