86321453 has 4 divisors (see below), whose sum is σ = 89106048. Its totient is φ = 83536860.

The previous prime is 86321449. The next prime is 86321479. The reversal of 86321453 is 35412368.

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 86321453 - 2² = 86321449 is a prime.

It is a super-3 number, since 3×86321453³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86321423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1392251 + ... + 1392312.

It is an arithmetic number, because the mean of its divisors is an integer number (22276512).

Almost surely, 2^86321453 is an apocalyptic number.

It is an amenable number.

86321453 is a deficient number, since it is larger than the sum of its proper divisors (2784595).

86321453 is a wasteful number, since it uses less digits than its factorization.

86321453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784594.

The product of its digits is 17280, while the sum is 32.

The square root of 86321453 is about 9290.9339143059. The cubic root of 86321453 is about 441.9497718017.

The spelling of 86321453 in words is "eighty-six million, three hundred twenty-one thousand, four hundred fifty-three".