25700417 has 2 divisors, whose sum is σ = 25700418. Its totient is φ = 25700416.

The previous prime is 25700393. The next prime is 25700431. The reversal of 25700417 is 71400752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15689521 + 10010896 = 3961^2 + 3164^2 .

It is a cyclic number.

It is not a de Polignac number, because 25700417 - 2²⁰ = 24651841 is a prime.

It is a super-2 number, since 2×25700417² = 1321022867947778, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25760417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12850208 + 12850209.

It is an arithmetic number, because the mean of its divisors is an integer number (12850209).

Almost surely, 2^25700417 is an apocalyptic number.

It is an amenable number.

25700417 is a deficient number, since it is larger than the sum of its proper divisors (1).

25700417 is an equidigital number, since it uses as much as digits as its factorization.

25700417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 25700417 is about 5069.5578702684. The cubic root of 25700417 is about 295.1073706639.

The spelling of 25700417 in words is "twenty-five million, seven hundred thousand, four hundred seventeen".