351141281 has 2 divisors, whose sum is σ = 351141282. Its totient is φ = 351141280.

The previous prime is 351141269. The next prime is 351141319. The reversal of 351141281 is 182141153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 338891281 + 12250000 = 18409^2 + 3500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-351141281 is a prime.

It is a super-2 number, since 2×351141281² = 246600398444641922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 351141281.

It is not a weakly prime, because it can be changed into another prime (351141481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175570640 + 175570641.

It is an arithmetic number, because the mean of its divisors is an integer number (175570641).

Almost surely, 2^351141281 is an apocalyptic number.

It is an amenable number.

351141281 is a deficient number, since it is larger than the sum of its proper divisors (1).

351141281 is an equidigital number, since it uses as much as digits as its factorization.

351141281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 26.

The square root of 351141281 is about 18738.7641268041. The cubic root of 351141281 is about 705.4950371866.

The spelling of 351141281 in words is "three hundred fifty-one million, one hundred forty-one thousand, two hundred eighty-one".