83212801 has 4 divisors (see below), whose sum is σ = 95100352. Its totient is φ = 71325252.

The previous prime is 83212793. The next prime is 83212819. The reversal of 83212801 is 10821238.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10821238 = 2 ⋅5410619.

It is a cyclic number.

It is not a de Polignac number, because 83212801 - 2³ = 83212793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83212301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5943765 + ... + 5943778.

It is an arithmetic number, because the mean of its divisors is an integer number (23775088).

Almost surely, 2^83212801 is an apocalyptic number.

It is an amenable number.

83212801 is a deficient number, since it is larger than the sum of its proper divisors (11887551).

83212801 is a wasteful number, since it uses less digits than its factorization.

83212801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11887550.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 83212801 is about 9122.1050750361. The cubic root of 83212801 is about 436.5795413716.

The spelling of 83212801 in words is "eighty-three million, two hundred twelve thousand, eight hundred one".