351842401 has 2 divisors, whose sum is σ = 351842402. Its totient is φ = 351842400.

The previous prime is 351842389. The next prime is 351842411. The reversal of 351842401 is 104248153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 323964001 + 27878400 = 17999^2 + 5280^2 .

It is an emirp because it is prime and its reverse (104248153) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 351842401 - 2¹³ = 351834209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 351842401.

It is not a weakly prime, because it can be changed into another prime (351842411) 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, 175921200 + 175921201.

It is an arithmetic number, because the mean of its divisors is an integer number (175921201).

Almost surely, 2^351842401 is an apocalyptic number.

It is an amenable number.

351842401 is a deficient number, since it is larger than the sum of its proper divisors (1).

351842401 is an equidigital number, since it uses as much as digits as its factorization.

351842401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 351842401 is about 18757.4625416126. The cubic root of 351842401 is about 705.9642764548.

The spelling of 351842401 in words is "three hundred fifty-one million, eight hundred forty-two thousand, four hundred one".