25683047 has 4 divisors (see below), whose sum is σ = 27658680. Its totient is φ = 23707416.

The previous prime is 25683029. The next prime is 25683071. The reversal of 25683047 is 74038652.

It is a happy number.

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 25683047 - 2⁶ = 25682983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25682998 and 25683016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25683017) 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, 987797 + ... + 987822.

It is an arithmetic number, because the mean of its divisors is an integer number (6914670).

Almost surely, 2^25683047 is an apocalyptic number.

25683047 is a deficient number, since it is larger than the sum of its proper divisors (1975633).

25683047 is a wasteful number, since it uses less digits than its factorization.

25683047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975632.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 25683047 is about 5067.8444135549. The cubic root of 25683047 is about 295.0408714797.

The spelling of 25683047 in words is "twenty-five million, six hundred eighty-three thousand, forty-seven".