25630727 has 2 divisors, whose sum is σ = 25630728. Its totient is φ = 25630726.

The previous prime is 25630697. The next prime is 25630733. The reversal of 25630727 is 72703652.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25630727 - 2¹² = 25626631 is a prime.

It is a super-3 number, since 3×25630727³ (a number of 23 digits) contains 333 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 25630693 and 25630702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25630757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12815363 + 12815364.

It is an arithmetic number, because the mean of its divisors is an integer number (12815364).

Almost surely, 2^25630727 is an apocalyptic number.

25630727 is a deficient number, since it is larger than the sum of its proper divisors (1).

25630727 is an equidigital number, since it uses as much as digits as its factorization.

25630727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 25630727 is about 5062.6798239667. The cubic root of 25630727 is about 294.8403886163.

The spelling of 25630727 in words is "twenty-five million, six hundred thirty thousand, seven hundred twenty-seven".