25850530 has 16 divisors (see below), whose sum is σ = 46873080. Its totient is φ = 10264192.

The previous prime is 25850527. The next prime is 25850563. The reversal of 25850530 is 3505852.

It can be written as a sum of positive squares in 4 ways, for example, as 25593481 + 257049 = 5059^2 + 507^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8065 + ... + 10804.

Almost surely, 2^25850530 is an apocalyptic number.

25850530 is a deficient number, since it is larger than the sum of its proper divisors (21022550).

25850530 is a wasteful number, since it uses less digits than its factorization.

25850530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19013.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 25850530 is about 5084.3416486306. The cubic root of 25850530 is about 295.6808176795.

The spelling of 25850530 in words is "twenty-five million, eight hundred fifty thousand, five hundred thirty".