326507 has 4 divisors (see below), whose sum is σ = 330720. Its totient is φ = 322296.

The previous prime is 326503. The next prime is 326537. The reversal of 326507 is 705623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 705623 = 151 ⋅4673.

It is a cyclic number.

It is not a de Polignac number, because 326507 - 2² = 326503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 326507.

It is not an unprimeable number, because it can be changed into a prime (326503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1988 + ... + 2145.

It is an arithmetic number, because the mean of its divisors is an integer number (82680).

2³²⁶⁵⁰⁷ is an apocalyptic number.

326507 is a deficient number, since it is larger than the sum of its proper divisors (4213).

326507 is an equidigital number, since it uses as much as digits as its factorization.

326507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 326507 is about 571.4079103408. The cubic root of 326507 is about 68.8595476658.

The spelling of 326507 in words is "three hundred twenty-six thousand, five hundred seven".