25262785 has 4 divisors (see below), whose sum is σ = 30315348. Its totient is φ = 20210224.

The previous prime is 25262773. The next prime is 25262789. The reversal of 25262785 is 58726252.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16777216 + 8485569 = 4096^2 + 2913^2 .

It is a cyclic number.

It is not a de Polignac number, because 25262785 - 2¹⁵ = 25230017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25262789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2526274 + ... + 2526283.

It is an arithmetic number, because the mean of its divisors is an integer number (7578837).

Almost surely, 2^25262785 is an apocalyptic number.

It is an amenable number.

25262785 is a deficient number, since it is larger than the sum of its proper divisors (5052563).

25262785 is an equidigital number, since it uses as much as digits as its factorization.

25262785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052562.

The product of its digits is 67200, while the sum is 37.

The square root of 25262785 is about 5026.2098046142. The cubic root of 25262785 is about 293.4227222695.

The spelling of 25262785 in words is "twenty-five million, two hundred sixty-two thousand, seven hundred eighty-five".