32413921 has 2 divisors, whose sum is σ = 32413922. Its totient is φ = 32413920.

The previous prime is 32413853. The next prime is 32413933. The reversal of 32413921 is 12931423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19018321 + 13395600 = 4361^2 + 3660^2 .

It is an emirp because it is prime and its reverse (12931423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32413921 - 2¹³ = 32405729 is a prime.

It is not a weakly prime, because it can be changed into another prime (32413991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16206960 + 16206961.

It is an arithmetic number, because the mean of its divisors is an integer number (16206961).

Almost surely, 2^32413921 is an apocalyptic number.

It is an amenable number.

32413921 is a deficient number, since it is larger than the sum of its proper divisors (1).

32413921 is an equidigital number, since it uses as much as digits as its factorization.

32413921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 25.

The square root of 32413921 is about 5693.3224921833. The cubic root of 32413921 is about 318.8432224577.

The spelling of 32413921 in words is "thirty-two million, four hundred thirteen thousand, nine hundred twenty-one".