351281401 has 2 divisors, whose sum is σ = 351281402. Its totient is φ = 351281400.

The previous prime is 351281351. The next prime is 351281407. The reversal of 351281401 is 104182153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 259983376 + 91298025 = 16124^2 + 9555^2 .

It is a cyclic number.

It is not a de Polignac number, because 351281401 - 2¹⁷ = 351150329 is a prime.

It is not a weakly prime, because it can be changed into another prime (351281407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175640700 + 175640701.

It is an arithmetic number, because the mean of its divisors is an integer number (175640701).

Almost surely, 2^351281401 is an apocalyptic number.

It is an amenable number.

351281401 is a deficient number, since it is larger than the sum of its proper divisors (1).

351281401 is an equidigital number, since it uses as much as digits as its factorization.

351281401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 351281401 is about 18742.5025276776. The cubic root of 351281401 is about 705.5888653444.

The spelling of 351281401 in words is "three hundred fifty-one million, two hundred eighty-one thousand, four hundred one".