83451 has 4 divisors (see below), whose sum is σ = 111272. Its totient is φ = 55632.

The previous prime is 83449. The next prime is 83459. The reversal of 83451 is 15438.

83451 is nontrivially palindromic in base 11.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 83451 - 2¹ = 83449 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83459) 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 3 ways as a sum of consecutive naturals, for example, 13906 + ... + 13911.

It is an arithmetic number, because the mean of its divisors is an integer number (27818).

2⁸³⁴⁵¹ is an apocalyptic number.

83451 is a deficient number, since it is larger than the sum of its proper divisors (27821).

83451 is a wasteful number, since it uses less digits than its factorization.

83451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27820.

The product of its digits is 480, while the sum is 21.

The square root of 83451 is about 288.8788673475. The cubic root of 83451 is about 43.6995718286.

Adding to 83451 its reverse (15438), we get a palindrome (98889).

The spelling of 83451 in words is "eighty-three thousand, four hundred fifty-one".