84054531 has 8 divisors (see below), whose sum is σ = 122261184. Its totient is φ = 50942120.

The previous prime is 84054521. The next prime is 84054533. The reversal of 84054531 is 13545048.

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 84054531 - 2⁷ = 84054403 is a prime.

It is a super-2 number, since 2×84054531² = 14130328363259922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84054533) 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, 1273521 + ... + 1273586.

It is an arithmetic number, because the mean of its divisors is an integer number (15282648).

Almost surely, 2^84054531 is an apocalyptic number.

84054531 is a deficient number, since it is larger than the sum of its proper divisors (38206653).

84054531 is a wasteful number, since it uses less digits than its factorization.

84054531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2547121.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 84054531 is about 9168.1258171995. The cubic root of 84054531 is about 438.0466631547.

Adding to 84054531 its reverse (13545048), we get a palindrome (97599579).

The spelling of 84054531 in words is "eighty-four million, fifty-four thousand, five hundred thirty-one".