82503511 has 8 divisors (see below), whose sum is σ = 83349504. Its totient is φ = 81662040.

The previous prime is 82503481. The next prime is 82503523. The reversal of 82503511 is 11530528.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82503511 - 2¹⁹ = 81979223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82503011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44346 + ... + 46168.

It is an arithmetic number, because the mean of its divisors is an integer number (10418688).

Almost surely, 2^82503511 is an apocalyptic number.

82503511 is a deficient number, since it is larger than the sum of its proper divisors (845993).

82503511 is a wasteful number, since it uses less digits than its factorization.

82503511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 82503511 is about 9083.1443344252. The cubic root of 82503511 is about 435.3355599922.

The spelling of 82503511 in words is "eighty-two million, five hundred three thousand, five hundred eleven".