65042319 has 8 divisors (see below), whose sum is σ = 87944832. Its totient is φ = 42750680.

The previous prime is 65042297. The next prime is 65042333. The reversal of 65042319 is 91324056.

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

It is a cyclic number.

It is not a de Polignac number, because 65042319 - 2⁸ = 65042063 is a prime.

It is a super-2 number, since 2×65042319² = 8461006521795522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65042399) 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, 152469 + ... + 152894.

It is an arithmetic number, because the mean of its divisors is an integer number (10993104).

Almost surely, 2^65042319 is an apocalyptic number.

65042319 is a deficient number, since it is larger than the sum of its proper divisors (22902513).

65042319 is a wasteful number, since it uses less digits than its factorization.

65042319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305437.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 65042319 is about 8064.8818342242. The cubic root of 65042319 is about 402.1598149256.

The spelling of 65042319 in words is "sixty-five million, forty-two thousand, three hundred nineteen".