351995873 has 2 divisors, whose sum is σ = 351995874. Its totient is φ = 351995872.

The previous prime is 351995851. The next prime is 351995899. The reversal of 351995873 is 378599153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 351487504 + 508369 = 18748^2 + 713^2 .

It is an emirp because it is prime and its reverse (378599153) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 351995873 - 2⁸ = 351995617 is a prime.

It is not a weakly prime, because it can be changed into another prime (351995573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175997936 + 175997937.

It is an arithmetic number, because the mean of its divisors is an integer number (175997937).

Almost surely, 2^351995873 is an apocalyptic number.

It is an amenable number.

351995873 is a deficient number, since it is larger than the sum of its proper divisors (1).

351995873 is an equidigital number, since it uses as much as digits as its factorization.

351995873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1020600, while the sum is 50.

The square root of 351995873 is about 18761.5530540518. The cubic root of 351995873 is about 706.0669076325.

The spelling of 351995873 in words is "three hundred fifty-one million, nine hundred ninety-five thousand, eight hundred seventy-three".