25723963 has 2 divisors, whose sum is σ = 25723964. Its totient is φ = 25723962.

The previous prime is 25723961. The next prime is 25723987. The reversal of 25723963 is 36932752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25723963 - 2¹ = 25723961 is a prime.

Together with 25723961, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25723961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12861981 + 12861982.

It is an arithmetic number, because the mean of its divisors is an integer number (12861982).

Almost surely, 2^25723963 is an apocalyptic number.

25723963 is a deficient number, since it is larger than the sum of its proper divisors (1).

25723963 is an equidigital number, since it uses as much as digits as its factorization.

25723963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 37.

The square root of 25723963 is about 5071.8796318525. The cubic root of 25723963 is about 295.1974661825.

The spelling of 25723963 in words is "twenty-five million, seven hundred twenty-three thousand, nine hundred sixty-three".