65009458 has 8 divisors (see below), whose sum is σ = 98479980. Its totient is φ = 32182800.

The previous prime is 65009419. The next prime is 65009459. The reversal of 65009458 is 85490056.

It can be written as a sum of positive squares in 2 ways, for example, as 59089969 + 5919489 = 7687^2 + 2433^2 .

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

It is not an unprimeable number, because it can be changed into a prime (65009459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160713 + ... + 161116.

Almost surely, 2^65009458 is an apocalyptic number.

65009458 is a deficient number, since it is larger than the sum of its proper divisors (33470522).

65009458 is a wasteful number, since it uses less digits than its factorization.

65009458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321932.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 65009458 is about 8062.8442872227. The cubic root of 65009458 is about 402.0920764640.

The spelling of 65009458 in words is "sixty-five million, nine thousand, four hundred fifty-eight".