84045051 has 6 divisors (see below), whose sum is σ = 121398420. Its totient is φ = 56030028.

The previous prime is 84045011. The next prime is 84045077. The reversal of 84045051 is 15054048.

It is not a de Polignac number, because 84045051 - 2⁹ = 84044539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84045011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4669161 + ... + 4669178.

It is an arithmetic number, because the mean of its divisors is an integer number (20233070).

Almost surely, 2^84045051 is an apocalyptic number.

84045051 is a deficient number, since it is larger than the sum of its proper divisors (37353369).

84045051 is a wasteful number, since it uses less digits than its factorization.

84045051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9338345 (or 9338342 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 84045051 is about 9167.6087940095. The cubic root of 84045051 is about 438.0301943280.

Adding to 84045051 its reverse (15054048), we get a palindrome (99099099).

The spelling of 84045051 in words is "eighty-four million, forty-five thousand, fifty-one".