5293721 has 2 divisors, whose sum is σ = 5293722. Its totient is φ = 5293720.

The previous prime is 5293709. The next prime is 5293753. The reversal of 5293721 is 1273925.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5290000 + 3721 = 2300^2 + 61^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5293721 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5293621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2646860 + 2646861.

It is an arithmetic number, because the mean of its divisors is an integer number (2646861).

Almost surely, 2^5293721 is an apocalyptic number.

It is an amenable number.

5293721 is a deficient number, since it is larger than the sum of its proper divisors (1).

5293721 is an equidigital number, since it uses as much as digits as its factorization.

5293721 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 5293721 is about 2300.8087708456. The cubic root of 5293721 is about 174.2824605873.

It can be divided in two parts, 529 and 3721, that multiplied together give a square (1968409 = 1403²).

The spelling of 5293721 in words is "five million, two hundred ninety-three thousand, seven hundred twenty-one".