83091051 has 24 divisors (see below), whose sum is σ = 124474896. Its totient is φ = 53372160.

The previous prime is 83091049. The next prime is 83091059. The reversal of 83091051 is 15019038.

It is not a de Polignac number, because 83091051 - 2¹ = 83091049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83091059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29271 + ... + 31983.

It is an arithmetic number, because the mean of its divisors is an integer number (5186454).

Almost surely, 2^83091051 is an apocalyptic number.

83091051 is a deficient number, since it is larger than the sum of its proper divisors (41383845).

83091051 is a wasteful number, since it uses less digits than its factorization.

83091051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843 (or 2840 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 83091051 is about 9115.4292822664. The cubic root of 83091051 is about 436.3665152391.

The spelling of 83091051 in words is "eighty-three million, ninety-one thousand, fifty-one".