65042303 has 4 divisors (see below), whose sum is σ = 65108928. Its totient is φ = 64975680.

The previous prime is 65042297. The next prime is 65042333. The reversal of 65042303 is 30324056.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65042303 - 2⁶ = 65042239 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 (65042333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31826 + ... + 33807.

It is an arithmetic number, because the mean of its divisors is an integer number (16277232).

Almost surely, 2^65042303 is an apocalyptic number.

65042303 is a deficient number, since it is larger than the sum of its proper divisors (66625).

65042303 is an equidigital number, since it uses as much as digits as its factorization.

65042303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66624.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 65042303 is about 8064.8808422692. The cubic root of 65042303 is about 402.1597819493.

Adding to 65042303 its reverse (30324056), we get a palindrome (95366359).

The spelling of 65042303 in words is "sixty-five million, forty-two thousand, three hundred three".