25785035 has 4 divisors (see below), whose sum is σ = 30942048. Its totient is φ = 20628024.

The previous prime is 25785007. The next prime is 25785037. The reversal of 25785035 is 53058752.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25785035 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25784986 and 25785004.

It is not an unprimeable number, because it can be changed into a prime (25785037) 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 3 ways as a sum of consecutive naturals, for example, 2578499 + ... + 2578508.

It is an arithmetic number, because the mean of its divisors is an integer number (7735512).

Almost surely, 2^25785035 is an apocalyptic number.

25785035 is a deficient number, since it is larger than the sum of its proper divisors (5157013).

25785035 is an equidigital number, since it uses as much as digits as its factorization.

25785035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5157012.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 25785035 is about 5077.8967102532. The cubic root of 25785035 is about 295.4308938141.

The spelling of 25785035 in words is "twenty-five million, seven hundred eighty-five thousand, thirty-five".