84133051 has 4 divisors (see below), whose sum is σ = 89082072. Its totient is φ = 79184032.

The previous prime is 84133013. The next prime is 84133087. The reversal of 84133051 is 15033148.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84133051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84133151) 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, 2474485 + ... + 2474518.

It is an arithmetic number, because the mean of its divisors is an integer number (22270518).

Almost surely, 2^84133051 is an apocalyptic number.

84133051 is a deficient number, since it is larger than the sum of its proper divisors (4949021).

84133051 is a wasteful number, since it uses less digits than its factorization.

84133051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4949020.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 84133051 is about 9172.4070450455. The cubic root of 84133051 is about 438.1830219324.

Adding to 84133051 its reverse (15033148), we get a palindrome (99166199).

The spelling of 84133051 in words is "eighty-four million, one hundred thirty-three thousand, fifty-one".