65345203 has 24 divisors (see below), whose sum is σ = 82736640. Its totient is φ = 50516400.

The previous prime is 65345197. The next prime is 65345279. The reversal of 65345203 is 30254356.

It is not a de Polignac number, because 65345203 - 2⁵ = 65345171 is a prime.

It is a super-2 number, since 2×65345203² = 8539991110222418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65345003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151398 + ... + 151828.

It is an arithmetic number, because the mean of its divisors is an integer number (3447360).

Almost surely, 2^65345203 is an apocalyptic number.

65345203 is a deficient number, since it is larger than the sum of its proper divisors (17391437).

65345203 is a wasteful number, since it uses less digits than its factorization.

65345203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 65345203 is about 8083.6379805135. The cubic root of 65345203 is about 402.7830972640.

Adding to 65345203 its reverse (30254356), we get a palindrome (95599559).

The spelling of 65345203 in words is "sixty-five million, three hundred forty-five thousand, two hundred three".