83313251 has 16 divisors (see below), whose sum is σ = 98446080. Its totient is φ = 69029280.

The previous prime is 83313239. The next prime is 83313253. The reversal of 83313251 is 15231338.

It is a cyclic number.

It is not a de Polignac number, because 83313251 - 2¹⁰ = 83312227 is a prime.

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 83313251.

It is not an unprimeable number, because it can be changed into a prime (83313253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23540 + ... + 26846.

It is an arithmetic number, because the mean of its divisors is an integer number (6152880).

Almost surely, 2^83313251 is an apocalyptic number.

83313251 is a deficient number, since it is larger than the sum of its proper divisors (15132829).

83313251 is a wasteful number, since it uses less digits than its factorization.

83313251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434.

The product of its digits is 2160, while the sum is 26.

The square root of 83313251 is about 9127.6092707784. The cubic root of 83313251 is about 436.7551424811.

Adding to 83313251 its reverse (15231338), we get a palindrome (98544589).

The spelling of 83313251 in words is "eighty-three million, three hundred thirteen thousand, two hundred fifty-one".