83272591 has 2 divisors, whose sum is σ = 83272592. Its totient is φ = 83272590.

The previous prime is 83272589. The next prime is 83272661. The reversal of 83272591 is 19527238.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83272591 - 2¹ = 83272589 is a prime.

Together with 83272589, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 83272591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83272531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41636295 + 41636296.

It is an arithmetic number, because the mean of its divisors is an integer number (41636296).

Almost surely, 2^83272591 is an apocalyptic number.

83272591 is a deficient number, since it is larger than the sum of its proper divisors (1).

83272591 is an equidigital number, since it uses as much as digits as its factorization.

83272591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 83272591 is about 9125.3816906472. The cubic root of 83272591 is about 436.6840799406.

The spelling of 83272591 in words is "eighty-three million, two hundred seventy-two thousand, five hundred ninety-one".