334053721 has 2 divisors, whose sum is σ = 334053722. Its totient is φ = 334053720.

The previous prime is 334053719. The next prime is 334053739. The reversal of 334053721 is 127350433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 288626121 + 45427600 = 16989^2 + 6740^2 .

It is a cyclic number.

It is not a de Polignac number, because 334053721 - 2¹ = 334053719 is a prime.

It is a super-2 number, since 2×334053721² = 223183777027891682, which contains 22 as substring.

Together with 334053719, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 334053721.

It is not a weakly prime, because it can be changed into another prime (334053701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167026860 + 167026861.

It is an arithmetic number, because the mean of its divisors is an integer number (167026861).

Almost surely, 2^334053721 is an apocalyptic number.

It is an amenable number.

334053721 is a deficient number, since it is larger than the sum of its proper divisors (1).

334053721 is an equidigital number, since it uses as much as digits as its factorization.

334053721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 334053721 is about 18277.1365645716. The cubic root of 334053721 is about 693.8604038670.

The spelling of 334053721 in words is "three hundred thirty-four million, fifty-three thousand, seven hundred twenty-one".