334521401 has 2 divisors, whose sum is σ = 334521402. Its totient is φ = 334521400.

The previous prime is 334521379. The next prime is 334521413. The reversal of 334521401 is 104125433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207936400 + 126585001 = 14420^2 + 11251^2 .

It is an emirp because it is prime and its reverse (104125433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 334521401 - 2²² = 330327097 is a prime.

It is a super-2 number, since 2×334521401² = 223809135454005602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (334521491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167260700 + 167260701.

It is an arithmetic number, because the mean of its divisors is an integer number (167260701).

Almost surely, 2^334521401 is an apocalyptic number.

It is an amenable number.

334521401 is a deficient number, since it is larger than the sum of its proper divisors (1).

334521401 is an equidigital number, since it uses as much as digits as its factorization.

334521401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 334521401 is about 18289.9262163629. The cubic root of 334521401 is about 694.1840577126.

Adding to 334521401 its reverse (104125433), we get a palindrome (438646834).

The spelling of 334521401 in words is "three hundred thirty-four million, five hundred twenty-one thousand, four hundred one".