86252621 has 16 divisors (see below), whose sum is σ = 106646400. Its totient is φ = 67929408.

The previous prime is 86252603. The next prime is 86252623. The reversal of 86252621 is 12625268.

It is a cyclic number.

It is not a de Polignac number, because 86252621 - 2⁶ = 86252557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86252623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18770 + ... + 22908.

It is an arithmetic number, because the mean of its divisors is an integer number (6665400).

Almost surely, 2^86252621 is an apocalyptic number.

It is an amenable number.

86252621 is a deficient number, since it is larger than the sum of its proper divisors (20393779).

86252621 is a wasteful number, since it uses less digits than its factorization.

86252621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4388.

The product of its digits is 11520, while the sum is 32.

The square root of 86252621 is about 9287.2289193279. The cubic root of 86252621 is about 441.8322715556.

Adding to 86252621 its reverse (12625268), we get a palindrome (98877889).

The spelling of 86252621 in words is "eighty-six million, two hundred fifty-two thousand, six hundred twenty-one".