65045999 has 8 divisors (see below), whose sum is σ = 66679200. Its totient is φ = 63427936.

The previous prime is 65045989. The next prime is 65046013. The reversal of 65045999 is 99954056.

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

It is not a de Polignac number, because 65045999 - 2¹² = 65041903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65045989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5177 + ... + 12525.

It is an arithmetic number, because the mean of its divisors is an integer number (8334900).

Almost surely, 2^65045999 is an apocalyptic number.

65045999 is a deficient number, since it is larger than the sum of its proper divisors (1633201).

65045999 is a wasteful number, since it uses less digits than its factorization.

65045999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7569.

The product of its (nonzero) digits is 437400, while the sum is 47.

The square root of 65045999 is about 8065.1099806512. The cubic root of 65045999 is about 402.1673993221.

The spelling of 65045999 in words is "sixty-five million, forty-five thousand, nine hundred ninety-nine".