25065730 has 16 divisors (see below), whose sum is σ = 45286200. Its totient is φ = 9988992.

The previous prime is 25065727. The next prime is 25065743. The reversal of 25065730 is 3756052.

It can be written as a sum of positive squares in 4 ways, for example, as 20097289 + 4968441 = 4483^2 + 2229^2 .

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, 1755 + ... + 7294.

Almost surely, 2^25065730 is an apocalyptic number.

25065730 is a deficient number, since it is larger than the sum of its proper divisors (20220470).

25065730 is a wasteful number, since it uses less digits than its factorization.

25065730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9333.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 25065730 is about 5006.5686852374. The cubic root of 25065730 is about 292.6578104763.

The spelling of 25065730 in words is "twenty-five million, sixty-five thousand, seven hundred thirty".