25065863 has 4 divisors (see below), whose sum is σ = 25263360. Its totient is φ = 24868368.

The previous prime is 25065853. The next prime is 25065881. The reversal of 25065863 is 36856052.

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 25065863 - 2⁴ = 25065847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25065853) 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, 98558 + ... + 98811.

It is an arithmetic number, because the mean of its divisors is an integer number (6315840).

Almost surely, 2^25065863 is an apocalyptic number.

25065863 is a deficient number, since it is larger than the sum of its proper divisors (197497).

25065863 is a wasteful number, since it uses less digits than its factorization.

25065863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197496.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 25065863 is about 5006.5819677700. The cubic root of 25065863 is about 292.6583280943.

The spelling of 25065863 in words is "twenty-five million, sixty-five thousand, eight hundred sixty-three".