83213510 has 16 divisors (see below), whose sum is σ = 149947200. Its totient is φ = 33249216.

The previous prime is 83213497. The next prime is 83213513. The reversal of 83213510 is 1531238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83213513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6386 + ... + 14394.

It is an arithmetic number, because the mean of its divisors is an integer number (9371700).

Almost surely, 2^83213510 is an apocalyptic number.

83213510 is a deficient number, since it is larger than the sum of its proper divisors (66733690).

83213510 is a wasteful number, since it uses less digits than its factorization.

83213510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9055.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 83213510 is about 9122.1439365974. The cubic root of 83213510 is about 436.5807813011.

Adding to 83213510 its reverse (1531238), we get a palindrome (84744748).

The spelling of 83213510 in words is "eighty-three million, two hundred thirteen thousand, five hundred ten".