335342521 has 2 divisors, whose sum is σ = 335342522. Its totient is φ = 335342520.

The previous prime is 335342519. The next prime is 335342543. The reversal of 335342521 is 125243533.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289374121 + 45968400 = 17011^2 + 6780^2 .

It is a cyclic number.

It is not a de Polignac number, because 335342521 - 2¹ = 335342519 is a prime.

It is a super-2 number, since 2×335342521² = 224909212781270882, which contains 22 as substring.

Together with 335342519, 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 335342521.

It is not a weakly prime, because it can be changed into another prime (335342551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167671260 + 167671261.

It is an arithmetic number, because the mean of its divisors is an integer number (167671261).

Almost surely, 2^335342521 is an apocalyptic number.

It is an amenable number.

335342521 is a deficient number, since it is larger than the sum of its proper divisors (1).

335342521 is an equidigital number, since it uses as much as digits as its factorization.

335342521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 28.

The square root of 335342521 is about 18312.3597878591. The cubic root of 335342521 is about 694.7515776218.

The spelling of 335342521 in words is "three hundred thirty-five million, three hundred forty-two thousand, five hundred twenty-one".