66325343 has 4 divisors (see below), whose sum is σ = 75800400. Its totient is φ = 56850288.

The previous prime is 66325327. The next prime is 66325351. The reversal of 66325343 is 34352366.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34352366 = 2 ⋅17176183.

It is a cyclic number.

It is not a de Polignac number, because 66325343 - 2⁴ = 66325327 is a prime.

It is a super-2 number, since 2×66325343² = 8798102248135298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66325373) 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, 4737518 + ... + 4737531.

It is an arithmetic number, because the mean of its divisors is an integer number (18950100).

Almost surely, 2^66325343 is an apocalyptic number.

66325343 is a deficient number, since it is larger than the sum of its proper divisors (9475057).

66325343 is an equidigital number, since it uses as much as digits as its factorization.

66325343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9475056.

The product of its digits is 38880, while the sum is 32.

The square root of 66325343 is about 8144.0372666141. The cubic root of 66325343 is about 404.7869488591.

The spelling of 66325343 in words is "sixty-six million, three hundred twenty-five thousand, three hundred forty-three".