25540727 has 2 divisors, whose sum is σ = 25540728. Its totient is φ = 25540726.

The previous prime is 25540721. The next prime is 25540733. The reversal of 25540727 is 72704552.

It is a balanced prime because it is at equal distance from previous prime (25540721) and next prime (25540733).

It is a cyclic number.

It is not a de Polignac number, because 25540727 - 2¹² = 25536631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25540693 and 25540702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25540721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12770363 + 12770364.

It is an arithmetic number, because the mean of its divisors is an integer number (12770364).

Almost surely, 2^25540727 is an apocalyptic number.

25540727 is a deficient number, since it is larger than the sum of its proper divisors (1).

25540727 is an equidigital number, since it uses as much as digits as its factorization.

25540727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 25540727 is about 5053.7834342203. The cubic root of 25540727 is about 294.4948820312.

The spelling of 25540727 in words is "twenty-five million, five hundred forty thousand, seven hundred twenty-seven".