65940250 has 16 divisors (see below), whose sum is σ = 123440616. Its totient is φ = 26376000.

The previous prime is 65940227. The next prime is 65940269. The reversal of 65940250 is 5204956.

It can be written as a sum of positive squares in 4 ways, for example, as 21464689 + 44475561 = 4633^2 + 6669^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131631 + ... + 132130.

Almost surely, 2^65940250 is an apocalyptic number.

65940250 is a deficient number, since it is larger than the sum of its proper divisors (57500366).

65940250 is a wasteful number, since it uses less digits than its factorization.

65940250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263778 (or 263768 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 65940250 is about 8120.3602136851. The cubic root of 65940250 is about 404.0020136814.

The spelling of 65940250 in words is "sixty-five million, nine hundred forty thousand, two hundred fifty".