82147541 has 8 divisors (see below), whose sum is σ = 95422464. Its totient is φ = 69257520.

The previous prime is 82147487. The next prime is 82147543. The reversal of 82147541 is 14574128.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82147541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 82147498 and 82147507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82147543) 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, 95765 + ... + 96618.

It is an arithmetic number, because the mean of its divisors is an integer number (11927808).

Almost surely, 2^82147541 is an apocalyptic number.

It is an amenable number.

82147541 is a deficient number, since it is larger than the sum of its proper divisors (13274923).

82147541 is a wasteful number, since it uses less digits than its factorization.

82147541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192451.

The product of its digits is 8960, while the sum is 32.

The square root of 82147541 is about 9063.5280658251. The cubic root of 82147541 is about 434.7085571488.

The spelling of 82147541 in words is "eighty-two million, one hundred forty-seven thousand, five hundred forty-one".