83213901 has 24 divisors (see below), whose sum is σ = 129477920. Its totient is φ = 51329376.

The previous prime is 83213881. The next prime is 83213903. The reversal of 83213901 is 10931238.

It is not a de Polignac number, because 83213901 - 2¹³ = 83205709 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 (83213903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1695 + ... + 13011.

Almost surely, 2^83213901 is an apocalyptic number.

It is an amenable number.

83213901 is a deficient number, since it is larger than the sum of its proper divisors (46264019).

83213901 is a wasteful number, since it uses less digits than its factorization.

83213901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11385 (or 11382 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 83213901 is about 9122.1653679376. The cubic root of 83213901 is about 436.5814650956.

The spelling of 83213901 in words is "eighty-three million, two hundred thirteen thousand, nine hundred one".