326250605 has 4 divisors (see below), whose sum is σ = 391500732. Its totient is φ = 261000480.

The previous prime is 326250601. The next prime is 326250619. The reversal of 326250605 is 506052623.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 243422404 + 82828201 = 15602^2 + 9101^2 .

It is not a de Polignac number, because 326250605 - 2² = 326250601 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 (326250601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32625056 + ... + 32625065.

It is an arithmetic number, because the mean of its divisors is an integer number (97875183).

Almost surely, 2^326250605 is an apocalyptic number.

It is an amenable number.

326250605 is a deficient number, since it is larger than the sum of its proper divisors (65250127).

326250605 is an equidigital number, since it uses as much as digits as its factorization.

326250605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65250126.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 326250605 is about 18062.4086156858. The cubic root of 326250605 is about 688.4151858111.

The spelling of 326250605 in words is "three hundred twenty-six million, two hundred fifty thousand, six hundred five".