25947763 has 4 divisors (see below), whose sum is σ = 27474120. Its totient is φ = 24421408.

The previous prime is 25947743. The next prime is 25947773. The reversal of 25947763 is 36774952.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25947763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25947743) 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, 763153 + ... + 763186.

It is an arithmetic number, because the mean of its divisors is an integer number (6868530).

Almost surely, 2^25947763 is an apocalyptic number.

25947763 is a deficient number, since it is larger than the sum of its proper divisors (1526357).

25947763 is a wasteful number, since it uses less digits than its factorization.

25947763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526356.

The product of its digits is 317520, while the sum is 43.

The square root of 25947763 is about 5093.8946789269. The cubic root of 25947763 is about 296.0510739419.

The spelling of 25947763 in words is "twenty-five million, nine hundred forty-seven thousand, seven hundred sixty-three".