25769963 has 4 divisors (see below), whose sum is σ = 25780440. Its totient is φ = 25759488.

The previous prime is 25769957. The next prime is 25769971. The reversal of 25769963 is 36996752.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25769963 - 2⁶ = 25769899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25762963) 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, 683 + ... + 7211.

It is an arithmetic number, because the mean of its divisors is an integer number (6445110).

Almost surely, 2^25769963 is an apocalyptic number.

25769963 is a deficient number, since it is larger than the sum of its proper divisors (10477).

25769963 is an equidigital number, since it uses as much as digits as its factorization.

25769963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10476.

The product of its digits is 612360, while the sum is 47.

The square root of 25769963 is about 5076.4124142942. The cubic root of 25769963 is about 295.3733203379.

The spelling of 25769963 in words is "twenty-five million, seven hundred sixty-nine thousand, nine hundred sixty-three".