326472503 has 4 divisors (see below), whose sum is σ = 373111440. Its totient is φ = 279833568.

The previous prime is 326472499. The next prime is 326472577. The reversal of 326472503 is 305274623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305274623 = 257 ⋅1187839.

It is not a de Polignac number, because 326472503 - 2² = 326472499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 326472503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326472583) 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, 23319458 + ... + 23319471.

It is an arithmetic number, because the mean of its divisors is an integer number (93277860).

Almost surely, 2^326472503 is an apocalyptic number.

326472503 is a deficient number, since it is larger than the sum of its proper divisors (46638937).

326472503 is an equidigital number, since it uses as much as digits as its factorization.

326472503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46638936.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 326472503 is about 18068.5501078531. The cubic root of 326472503 is about 688.5712246874.

The spelling of 326472503 in words is "three hundred twenty-six million, four hundred seventy-two thousand, five hundred three".