351242477 has 2 divisors, whose sum is σ = 351242478. Its totient is φ = 351242476.

The previous prime is 351242401. The next prime is 351242509. The reversal of 351242477 is 774242153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274697476 + 76545001 = 16574^2 + 8749^2 .

It is a cyclic number.

It is not a de Polignac number, because 351242477 - 2¹⁴ = 351226093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (351242377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175621238 + 175621239.

It is an arithmetic number, because the mean of its divisors is an integer number (175621239).

Almost surely, 2^351242477 is an apocalyptic number.

It is an amenable number.

351242477 is a deficient number, since it is larger than the sum of its proper divisors (1).

351242477 is an equidigital number, since it uses as much as digits as its factorization.

351242477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 35.

The square root of 351242477 is about 18741.4641103623. The cubic root of 351242477 is about 705.5628032800.

The spelling of 351242477 in words is "three hundred fifty-one million, two hundred forty-two thousand, four hundred seventy-seven".