5878721 has 2 divisors, whose sum is σ = 5878722. Its totient is φ = 5878720.

The previous prime is 5878709. The next prime is 5878723. The reversal of 5878721 is 1278785.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3568321 + 2310400 = 1889^2 + 1520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5878721 is a prime.

It is a Sophie Germain prime.

Together with 5878723, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5878723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2939360 + 2939361.

It is an arithmetic number, because the mean of its divisors is an integer number (2939361).

Almost surely, 2^5878721 is an apocalyptic number.

It is an amenable number.

5878721 is a deficient number, since it is larger than the sum of its proper divisors (1).

5878721 is an equidigital number, since it uses as much as digits as its factorization.

5878721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31360, while the sum is 38.

The square root of 5878721 is about 2424.6073908986. The cubic root of 5878721 is about 180.4793908376.

The spelling of 5878721 in words is "five million, eight hundred seventy-eight thousand, seven hundred twenty-one".