82090510 has 16 divisors (see below), whose sum is σ = 148240656. Its totient is φ = 32730048.

The previous prime is 82090499. The next prime is 82090513. The reversal of 82090510 is 1509028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82090513) 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, 9984 + ... + 16243.

It is an arithmetic number, because the mean of its divisors is an integer number (9265041).

Almost surely, 2^82090510 is an apocalyptic number.

82090510 is a deficient number, since it is larger than the sum of its proper divisors (66150146).

82090510 is a wasteful number, since it uses less digits than its factorization.

82090510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26547.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 82090510 is about 9060.3813385530. The cubic root of 82090510 is about 434.6079349314.

Adding to 82090510 its reverse (1509028), we get a palindrome (83599538).

The spelling of 82090510 in words is "eighty-two million, ninety thousand, five hundred ten".