82503263 has 4 divisors (see below), whose sum is σ = 86845560. Its totient is φ = 78160968.

The previous prime is 82503259. The next prime is 82503269. The reversal of 82503263 is 36230528.

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

It is a cyclic number.

It is not a de Polignac number, because 82503263 - 2² = 82503259 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 (82503269) 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 3 ways as a sum of consecutive naturals, for example, 2171120 + ... + 2171157.

It is an arithmetic number, because the mean of its divisors is an integer number (21711390).

Almost surely, 2^82503263 is an apocalyptic number.

82503263 is a deficient number, since it is larger than the sum of its proper divisors (4342297).

82503263 is a wasteful number, since it uses less digits than its factorization.

82503263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4342296.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 82503263 is about 9083.1306827547. The cubic root of 82503263 is about 435.3351237953.

The spelling of 82503263 in words is "eighty-two million, five hundred three thousand, two hundred sixty-three".