25683963 has 4 divisors (see below), whose sum is σ = 34245288. Its totient is φ = 17122640.

The previous prime is 25683941. The next prime is 25683967. The reversal of 25683963 is 36938652.

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 25683963 - 2⁹ = 25683451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25683967) 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, 4280658 + ... + 4280663.

It is an arithmetic number, because the mean of its divisors is an integer number (8561322).

Almost surely, 2^25683963 is an apocalyptic number.

25683963 is a deficient number, since it is larger than the sum of its proper divisors (8561325).

25683963 is an equidigital number, since it uses as much as digits as its factorization.

25683963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8561324.

The product of its digits is 233280, while the sum is 42.

The square root of 25683963 is about 5067.9347864786. The cubic root of 25683963 is about 295.0443790363.

The spelling of 25683963 in words is "twenty-five million, six hundred eighty-three thousand, nine hundred sixty-three".