84241531 has 12 divisors (see below), whose sum is σ = 94572576. Its totient is φ = 74948720.

The previous prime is 84241529. The next prime is 84241559. The reversal of 84241531 is 13514248.

It is not a de Polignac number, because 84241531 - 2¹ = 84241529 is a prime.

It is a super-2 number, since 2×84241531² = 14193271090447922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84241531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84248531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1720 + ... + 13093.

It is an arithmetic number, because the mean of its divisors is an integer number (7881048).

Almost surely, 2^84241531 is an apocalyptic number.

84241531 is a deficient number, since it is larger than the sum of its proper divisors (10331045).

84241531 is a wasteful number, since it uses less digits than its factorization.

84241531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14882 (or 14871 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 84241531 is about 9178.3185279222. The cubic root of 84241531 is about 438.3712701033.

Adding to 84241531 its reverse (13514248), we get a palindrome (97755779).

The spelling of 84241531 in words is "eighty-four million, two hundred forty-one thousand, five hundred thirty-one".