335124721 has 2 divisors, whose sum is σ = 335124722. Its totient is φ = 335124720.

The previous prime is 335124707. The next prime is 335124809. The reversal of 335124721 is 127421533.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 302760000 + 32364721 = 17400^2 + 5689^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-335124721 is a prime.

It is a super-2 number, since 2×335124721² = 224617157250655682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 335124721.

It is not a weakly prime, because it can be changed into another prime (335124221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167562360 + 167562361.

It is an arithmetic number, because the mean of its divisors is an integer number (167562361).

Almost surely, 2^335124721 is an apocalyptic number.

It is an amenable number.

335124721 is a deficient number, since it is larger than the sum of its proper divisors (1).

335124721 is an equidigital number, since it uses as much as digits as its factorization.

335124721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 28.

The square root of 335124721 is about 18306.4120187436. The cubic root of 335124721 is about 694.6011347608.

The spelling of 335124721 in words is "three hundred thirty-five million, one hundred twenty-four thousand, seven hundred twenty-one".