32340421 has 2 divisors, whose sum is σ = 32340422. Its totient is φ = 32340420.

The previous prime is 32340419. The next prime is 32340433. The reversal of 32340421 is 12404323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24860196 + 7480225 = 4986^2 + 2735^2 .

It is a cyclic number.

It is not a de Polignac number, because 32340421 - 2¹ = 32340419 is a prime.

Together with 32340419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32340401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16170210 + 16170211.

It is an arithmetic number, because the mean of its divisors is an integer number (16170211).

Almost surely, 2^32340421 is an apocalyptic number.

It is an amenable number.

32340421 is a deficient number, since it is larger than the sum of its proper divisors (1).

32340421 is an equidigital number, since it uses as much as digits as its factorization.

32340421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 32340421 is about 5686.8638984945. The cubic root of 32340421 is about 318.6020430328.

Adding to 32340421 its reverse (12404323), we get a palindrome (44744744).

It can be divided in two parts, 32340 and 421, that added together give a square (32761 = 181²).

The spelling of 32340421 in words is "thirty-two million, three hundred forty thousand, four hundred twenty-one".