84554231 has 4 divisors (see below), whose sum is σ = 84784992. Its totient is φ = 84323472.

The previous prime is 84554219. The next prime is 84554291. The reversal of 84554231 is 13245548.

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

It is a cyclic number.

It is not a de Polignac number, because 84554231 - 2¹⁰ = 84553207 is a prime.

It is a super-2 number, since 2×84554231² = 14298835960002722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84554291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114830 + ... + 115563.

It is an arithmetic number, because the mean of its divisors is an integer number (21196248).

Almost surely, 2^84554231 is an apocalyptic number.

84554231 is a deficient number, since it is larger than the sum of its proper divisors (230761).

84554231 is a wasteful number, since it uses less digits than its factorization.

84554231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230760.

The product of its digits is 19200, while the sum is 32.

The square root of 84554231 is about 9195.3374598217. The cubic root of 84554231 is about 438.9130038297.

Adding to 84554231 its reverse (13245548), we get a palindrome (97799779).

The spelling of 84554231 in words is "eighty-four million, five hundred fifty-four thousand, two hundred thirty-one".