25949260527 has 4 divisors (see below), whose sum is σ = 34599014040. Its totient is φ = 17299507016.

The previous prime is 25949260487. The next prime is 25949260529. The reversal of 25949260527 is 72506294952.

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 25949260527 - 2¹⁴ = 25949244143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25949260527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25949260529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4324876752 + ... + 4324876757.

It is an arithmetic number, because the mean of its divisors is an integer number (8649753510).

Almost surely, 2^25949260527 is an apocalyptic number.

25949260527 is a deficient number, since it is larger than the sum of its proper divisors (8649753513).

25949260527 is an equidigital number, since it uses as much as digits as its factorization.

25949260527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8649753512.

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 25949260527 in words is "twenty-five billion, nine hundred forty-nine million, two hundred sixty thousand, five hundred twenty-seven".