25259071 has 4 divisors (see below), whose sum is σ = 25272000. Its totient is φ = 25246144.

The previous prime is 25259057. The next prime is 25259077. The reversal of 25259071 is 17095252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25259071 - 2⁹ = 25258559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25259077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2866 + ... + 7663.

It is an arithmetic number, because the mean of its divisors is an integer number (6318000).

Almost surely, 2^25259071 is an apocalyptic number.

25259071 is a deficient number, since it is larger than the sum of its proper divisors (12929).

25259071 is a wasteful number, since it uses less digits than its factorization.

25259071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12928.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 25259071 is about 5025.8403277462. The cubic root of 25259071 is about 293.4083424165.

The spelling of 25259071 in words is "twenty-five million, two hundred fifty-nine thousand, seventy-one".