84305513 has 8 divisors (see below), whose sum is σ = 86624160. Its totient is φ = 82016640.

The previous prime is 84305503. The next prime is 84305537. The reversal of 84305513 is 31550348.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84305513 - 2⁶ = 84305449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84305503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1643 + ... + 13088.

It is an arithmetic number, because the mean of its divisors is an integer number (10828020).

Almost surely, 2^84305513 is an apocalyptic number.

It is an amenable number.

84305513 is a deficient number, since it is larger than the sum of its proper divisors (2318647).

84305513 is a wasteful number, since it uses less digits than its factorization.

84305513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14887.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 84305513 is about 9181.8033631744. The cubic root of 84305513 is about 438.4822239777.

The spelling of 84305513 in words is "eighty-four million, three hundred five thousand, five hundred thirteen".