82501403 has 8 divisors (see below), whose sum is σ = 84574272. Its totient is φ = 80441856.

The previous prime is 82501399. The next prime is 82501421. The reversal of 82501403 is 30410528.

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 82501403 - 2² = 82501399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82501423) 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, 9851 + ... + 16187.

It is an arithmetic number, because the mean of its divisors is an integer number (10571784).

Almost surely, 2^82501403 is an apocalyptic number.

82501403 is a deficient number, since it is larger than the sum of its proper divisors (2072869).

82501403 is a wasteful number, since it uses less digits than its factorization.

82501403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6661.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 82501403 is about 9083.0282945722. The cubic root of 82501403 is about 435.3318522907.

The spelling of 82501403 in words is "eighty-two million, five hundred one thousand, four hundred three".