25314857 has 2 divisors, whose sum is σ = 25314858. Its totient is φ = 25314856.

The previous prime is 25314847. The next prime is 25314871. The reversal of 25314857 is 75841352.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16410601 + 8904256 = 4051^2 + 2984^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25314857 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25314847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12657428 + 12657429.

It is an arithmetic number, because the mean of its divisors is an integer number (12657429).

Almost surely, 2^25314857 is an apocalyptic number.

It is an amenable number.

25314857 is a deficient number, since it is larger than the sum of its proper divisors (1).

25314857 is an equidigital number, since it uses as much as digits as its factorization.

25314857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 35.

The square root of 25314857 is about 5031.3871844651. The cubic root of 25314857 is about 293.6241862300.

The spelling of 25314857 in words is "twenty-five million, three hundred fourteen thousand, eight hundred fifty-seven".