332643413 has 4 divisors (see below), whose sum is σ = 334367148. Its totient is φ = 330919680.

The previous prime is 332643401. The next prime is 332643439. The reversal of 332643413 is 314346233.

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 78464164 + 254179249 = 8858^2 + 15943^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-332643413 is a prime.

It is a super-2 number, since 2×332643413² = 221303280424577138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332643613) 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, 861578 + ... + 861963.

It is an arithmetic number, because the mean of its divisors is an integer number (83591787).

Almost surely, 2^332643413 is an apocalyptic number.

It is an amenable number.

332643413 is a deficient number, since it is larger than the sum of its proper divisors (1723735).

332643413 is a wasteful number, since it uses less digits than its factorization.

332643413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723734.

The product of its digits is 15552, while the sum is 29.

The square root of 332643413 is about 18238.5145502587. The cubic root of 332643413 is about 692.8825798960.

Adding to 332643413 its reverse (314346233), we get a palindrome (646989646).

The spelling of 332643413 in words is "three hundred thirty-two million, six hundred forty-three thousand, four hundred thirteen".