25802071 has 2 divisors, whose sum is σ = 25802072. Its totient is φ = 25802070.

The previous prime is 25802059. The next prime is 25802089. The reversal of 25802071 is 17020852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25802071 - 2¹¹ = 25800023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25802011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12901035 + 12901036.

It is an arithmetic number, because the mean of its divisors is an integer number (12901036).

Almost surely, 2^25802071 is an apocalyptic number.

25802071 is a deficient number, since it is larger than the sum of its proper divisors (1).

25802071 is an equidigital number, since it uses as much as digits as its factorization.

25802071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 25802071 is about 5079.5738994526. The cubic root of 25802071 is about 295.4959425616.

The spelling of 25802071 in words is "twenty-five million, eight hundred two thousand, seventy-one".