84551541 has 4 divisors (see below), whose sum is σ = 112735392. Its totient is φ = 56367692.

The previous prime is 84551497. The next prime is 84551587. The reversal of 84551541 is 14515548.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84551541 - 2⁷ = 84551413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84551141) 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, 14091921 + ... + 14091926.

It is an arithmetic number, because the mean of its divisors is an integer number (28183848).

Almost surely, 2^84551541 is an apocalyptic number.

It is an amenable number.

84551541 is a deficient number, since it is larger than the sum of its proper divisors (28183851).

84551541 is a wasteful number, since it uses less digits than its factorization.

84551541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28183850.

The product of its digits is 16000, while the sum is 33.

The square root of 84551541 is about 9195.1911888769. The cubic root of 84551541 is about 438.9083492686.

The spelling of 84551541 in words is "eighty-four million, five hundred fifty-one thousand, five hundred forty-one".