25863434 has 8 divisors (see below), whose sum is σ = 38861508. Its totient is φ = 12909600.

The previous prime is 25863421. The next prime is 25863449. The reversal of 25863434 is 43436852.

It can be written as a sum of positive squares in 2 ways, for example, as 25532809 + 330625 = 5053^2 + 575^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 25863394 and 25863403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9557 + ... + 11960.

Almost surely, 2^25863434 is an apocalyptic number.

25863434 is a deficient number, since it is larger than the sum of its proper divisors (12998074).

25863434 is a wasteful number, since it uses less digits than its factorization.

25863434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22120.

The product of its digits is 69120, while the sum is 35.

The square root of 25863434 is about 5085.6104844945. The cubic root of 25863434 is about 295.7300085547.

The spelling of 25863434 in words is "twenty-five million, eight hundred sixty-three thousand, four hundred thirty-four".