25750047 has 8 divisors (see below), whose sum is σ = 34513920. Its totient is φ = 17076440.

The previous prime is 25750037. The next prime is 25750069. The reversal of 25750047 is 74005752.

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 25750047 - 2⁸ = 25749791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25749996 and 25750023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25750007) by changing a digit.

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, 21897 + ... + 23042.

It is an arithmetic number, because the mean of its divisors is an integer number (4314240).

Almost surely, 2^25750047 is an apocalyptic number.

25750047 is a deficient number, since it is larger than the sum of its proper divisors (8763873).

25750047 is a wasteful number, since it uses less digits than its factorization.

25750047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45133.

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 25750047 is about 5074.4504135916. The cubic root of 25750047 is about 295.2972088440.

Adding to 25750047 its reverse (74005752), we get a palindrome (99755799).

The spelling of 25750047 in words is "twenty-five million, seven hundred fifty thousand, forty-seven".