25000709 has 2 divisors, whose sum is σ = 25000710. Its totient is φ = 25000708.

The previous prime is 25000691. The next prime is 25000711. The reversal of 25000709 is 90700052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23980609 + 1020100 = 4897^2 + 1010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25000709 is a prime.

Together with 25000711, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25000739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12500354 + 12500355.

It is an arithmetic number, because the mean of its divisors is an integer number (12500355).

Almost surely, 2^25000709 is an apocalyptic number.

It is an amenable number.

25000709 is a deficient number, since it is larger than the sum of its proper divisors (1).

25000709 is an equidigital number, since it uses as much as digits as its factorization.

25000709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 25000709 is about 5000.0708994973. The cubic root of 25000709 is about 292.4045379666.

The spelling of 25000709 in words is "twenty-five million, seven hundred nine", and thus it is an aban number.