65921303 has 4 divisors (see below), whose sum is σ = 75338640. Its totient is φ = 56503968.

The previous prime is 65921293. The next prime is 65921311. The reversal of 65921303 is 30312956.

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 65921303 - 2¹² = 65917207 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 (65921333) 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, 4708658 + ... + 4708671.

It is an arithmetic number, because the mean of its divisors is an integer number (18834660).

Almost surely, 2^65921303 is an apocalyptic number.

65921303 is a deficient number, since it is larger than the sum of its proper divisors (9417337).

65921303 is an equidigital number, since it uses as much as digits as its factorization.

65921303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9417336.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 65921303 is about 8119.1934944303. The cubic root of 65921303 is about 403.9633152162.

The spelling of 65921303 in words is "sixty-five million, nine hundred twenty-one thousand, three hundred three".