2335721 has 2 divisors, whose sum is σ = 2335722. Its totient is φ = 2335720.

The previous prime is 2335709. The next prime is 2335733. The reversal of 2335721 is 1275332.

It is a balanced prime because it is at equal distance from previous prime (2335709) and next prime (2335733).

It can be written as a sum of positive squares in only one way, i.e., 1210000 + 1125721 = 1100^2 + 1061^2 .

It is a cyclic number.

It is not a de Polignac number, because 2335721 - 2¹⁴ = 2319337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2335321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1167860 + 1167861.

It is an arithmetic number, because the mean of its divisors is an integer number (1167861).

2^2335721 is an apocalyptic number.

It is an amenable number.

2335721 is a deficient number, since it is larger than the sum of its proper divisors (1).

2335721 is an equidigital number, since it uses as much as digits as its factorization.

2335721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 23.

The square root of 2335721 is about 1528.3065791915. The cubic root of 2335721 is about 132.6804660893.

The spelling of 2335721 in words is "two million, three hundred thirty-five thousand, seven hundred twenty-one".