5732921 has 2 divisors, whose sum is σ = 5732922. Its totient is φ = 5732920.

The previous prime is 5732917. The next prime is 5732929. The reversal of 5732921 is 1292375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5707321 + 25600 = 2389^2 + 160^2 .

It is a cyclic number.

It is not a de Polignac number, because 5732921 - 2² = 5732917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5732929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2866460 + 2866461.

It is an arithmetic number, because the mean of its divisors is an integer number (2866461).

Almost surely, 2^5732921 is an apocalyptic number.

It is an amenable number.

5732921 is a deficient number, since it is larger than the sum of its proper divisors (1).

5732921 is an equidigital number, since it uses as much as digits as its factorization.

5732921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 29.

The square root of 5732921 is about 2394.3518956077. The cubic root of 5732921 is about 178.9748411942.

The spelling of 5732921 in words is "five million, seven hundred thirty-two thousand, nine hundred twenty-one".