332306405 has 4 divisors (see below), whose sum is σ = 398767692. Its totient is φ = 265845120.

The previous prime is 332306393. The next prime is 332306413. The reversal of 332306405 is 504603233.

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 108534724 + 223771681 = 10418^2 + 14959^2 .

It is not a de Polignac number, because 332306405 - 2¹⁰ = 332305381 is a prime.

It is a super-2 number, since 2×332306405² = 220855093608048050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33230636 + ... + 33230645.

It is an arithmetic number, because the mean of its divisors is an integer number (99691923).

Almost surely, 2^332306405 is an apocalyptic number.

It is an amenable number.

332306405 is a deficient number, since it is larger than the sum of its proper divisors (66461287).

332306405 is an equidigital number, since it uses as much as digits as its factorization.

332306405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66461286.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 332306405 is about 18229.2732987357. The cubic root of 332306405 is about 692.6485095525.

Adding to 332306405 its reverse (504603233), we get a palindrome (836909638).

The spelling of 332306405 in words is "three hundred thirty-two million, three hundred six thousand, four hundred five".