25747087 has 2 divisors, whose sum is σ = 25747088. Its totient is φ = 25747086.

The previous prime is 25747049. The next prime is 25747093. The reversal of 25747087 is 78074752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25747087 - 2¹¹ = 25745039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25747037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12873543 + 12873544.

It is an arithmetic number, because the mean of its divisors is an integer number (12873544).

Almost surely, 2^25747087 is an apocalyptic number.

25747087 is a deficient number, since it is larger than the sum of its proper divisors (1).

25747087 is an equidigital number, since it uses as much as digits as its factorization.

25747087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 109760, while the sum is 40.

The square root of 25747087 is about 5074.1587480094. The cubic root of 25747087 is about 295.2858934830.

The spelling of 25747087 in words is "twenty-five million, seven hundred forty-seven thousand, eighty-seven".