65213846 has 4 divisors (see below), whose sum is σ = 97820772. Its totient is φ = 32606922.

The previous prime is 65213803. The next prime is 65213849. The reversal of 65213846 is 64831256.

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

It is a super-2 number, since 2×65213846² = 8505691420223432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65213849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16303460 + ... + 16303463.

It is an arithmetic number, because the mean of its divisors is an integer number (24455193).

Almost surely, 2^65213846 is an apocalyptic number.

65213846 is a deficient number, since it is larger than the sum of its proper divisors (32606926).

65213846 is a wasteful number, since it uses less digits than its factorization.

65213846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32606925.

The product of its digits is 34560, while the sum is 35.

The square root of 65213846 is about 8075.5090242040. The cubic root of 65213846 is about 402.5130245390.

The spelling of 65213846 in words is "sixty-five million, two hundred thirteen thousand, eight hundred forty-six".