86532481 has 6 divisors (see below), whose sum is σ = 100660290. Its totient is φ = 74170656.

The previous prime is 86532451. The next prime is 86532487. The reversal of 86532481 is 18423568.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 71978256 + 14554225 = 8484^2 + 3815^2 .

It is not a de Polignac number, because 86532481 - 2¹³ = 86524289 is a prime.

It is a super-2 number, since 2×86532481² = 14975740536030722, 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 86532481.

It is not an unprimeable number, because it can be changed into a prime (86532487) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 882936 + ... + 883033.

It is an arithmetic number, because the mean of its divisors is an integer number (16776715).

Almost surely, 2^86532481 is an apocalyptic number.

It is an amenable number.

86532481 is a deficient number, since it is larger than the sum of its proper divisors (14127809).

86532481 is a wasteful number, since it uses less digits than its factorization.

86532481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765983 (or 1765976 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 86532481 is about 9302.2836443531. The cubic root of 86532481 is about 442.3096200833.

The spelling of 86532481 in words is "eighty-six million, five hundred thirty-two thousand, four hundred eighty-one".