32321413 has 6 divisors (see below), whose sum is σ = 34112454. Its totient is φ = 30619944.

The previous prime is 32321411. The next prime is 32321431. The reversal of 32321413 is 31412323.

It can be written as a sum of positive squares in only one way, i.e., 32058244 + 263169 = 5662^2 + 513^2 .

It is not a de Polignac number, because 32321413 - 2¹ = 32321411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32321411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44406 + ... + 45127.

It is an arithmetic number, because the mean of its divisors is an integer number (5685409).

Almost surely, 2^32321413 is an apocalyptic number.

It is an amenable number.

32321413 is a deficient number, since it is larger than the sum of its proper divisors (1791041).

32321413 is an equidigital number, since it uses as much as digits as its factorization.

32321413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89571 (or 89552 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 32321413 is about 5685.1924329789. The cubic root of 32321413 is about 318.5396116203.

Adding to 32321413 its reverse (31412323), we get a palindrome (63733736).

It can be divided in two parts, 323 and 21413, that added together give a triangular number (21736 = T₂₀₈).

The spelling of 32321413 in words is "thirty-two million, three hundred twenty-one thousand, four hundred thirteen".