351870413 has 2 divisors, whose sum is σ = 351870414. Its totient is φ = 351870412.

The previous prime is 351870401. The next prime is 351870451. The reversal of 351870413 is 314078153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 332624644 + 19245769 = 18238^2 + 4387^2 .

It is an emirp because it is prime and its reverse (314078153) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 351870413 - 2⁴ = 351870397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 351870413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (351870473) 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, 175935206 + 175935207.

It is an arithmetic number, because the mean of its divisors is an integer number (175935207).

Almost surely, 2^351870413 is an apocalyptic number.

It is an amenable number.

351870413 is a deficient number, since it is larger than the sum of its proper divisors (1).

351870413 is an equidigital number, since it uses as much as digits as its factorization.

351870413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 351870413 is about 18758.2092162338. The cubic root of 351870413 is about 705.9830111179.

The spelling of 351870413 in words is "three hundred fifty-one million, eight hundred seventy thousand, four hundred thirteen".