25706045 has 8 divisors (see below), whose sum is σ = 31564896. Its totient is φ = 20086416.

The previous prime is 25706033. The next prime is 25706053. The reversal of 25706045 is 54060752.

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

It is a cyclic number.

It is not a de Polignac number, because 25706045 - 2⁴ = 25706029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25705999 and 25706017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59567 + ... + 59996.

It is an arithmetic number, because the mean of its divisors is an integer number (3945612).

Almost surely, 2^25706045 is an apocalyptic number.

It is an amenable number.

25706045 is a deficient number, since it is larger than the sum of its proper divisors (5858851).

25706045 is a wasteful number, since it uses less digits than its factorization.

25706045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119611.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 25706045 is about 5070.1129178747. The cubic root of 25706045 is about 295.1289104319.

Adding to 25706045 its reverse (54060752), we get a palindrome (79766797).

The spelling of 25706045 in words is "twenty-five million, seven hundred six thousand, forty-five".