65250238 has 8 divisors (see below), whose sum is σ = 98073000. Its totient is φ = 32559240.

The previous prime is 65250217. The next prime is 65250253. The reversal of 65250238 is 83205256.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31693 + ... + 33688.

It is an arithmetic number, because the mean of its divisors is an integer number (12259125).

Almost surely, 2^65250238 is an apocalyptic number.

65250238 is a deficient number, since it is larger than the sum of its proper divisors (32822762).

65250238 is a wasteful number, since it uses less digits than its factorization.

65250238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65882.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 65250238 is about 8077.7619425185. The cubic root of 65250238 is about 402.5878835398.

The spelling of 65250238 in words is "sixty-five million, two hundred fifty thousand, two hundred thirty-eight".