25946947 has 16 divisors (see below), whose sum is σ = 29877120. Its totient is φ = 22321152.

The previous prime is 25946941. The next prime is 25946959. The reversal of 25946947 is 74964952.

It is a cyclic number.

It is not a de Polignac number, because 25946947 - 2³ = 25946939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25946897 and 25946906.

It is not an unprimeable number, because it can be changed into a prime (25946941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24454 + ... + 25492.

It is an arithmetic number, because the mean of its divisors is an integer number (1867320).

Almost surely, 2^25946947 is an apocalyptic number.

25946947 is a deficient number, since it is larger than the sum of its proper divisors (3930173).

25946947 is a wasteful number, since it uses less digits than its factorization.

25946947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182.

The product of its digits is 544320, while the sum is 46.

The square root of 25946947 is about 5093.8145824127. The cubic root of 25946947 is about 296.0479705246.

The spelling of 25946947 in words is "twenty-five million, nine hundred forty-six thousand, nine hundred forty-seven".