25661714 has 8 divisors (see below), whose sum is σ = 41453580. Its totient is φ = 11843856.

The previous prime is 25661677. The next prime is 25661717. The reversal of 25661714 is 41716652.

It can be written as a sum of positive squares in 2 ways, for example, as 25331089 + 330625 = 5033^2 + 575^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (25661717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493469 + ... + 493520.

Almost surely, 2^25661714 is an apocalyptic number.

25661714 is a deficient number, since it is larger than the sum of its proper divisors (15791866).

25661714 is a wasteful number, since it uses less digits than its factorization.

25661714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987004.

The product of its digits is 10080, while the sum is 32.

The square root of 25661714 is about 5065.7392352943. The cubic root of 25661714 is about 294.9591593371.

The spelling of 25661714 in words is "twenty-five million, six hundred sixty-one thousand, seven hundred fourteen".