350255561 has 2 divisors, whose sum is σ = 350255562. Its totient is φ = 350255560.

The previous prime is 350255551. The next prime is 350255593. The reversal of 350255561 is 165552053.

It is an a-pointer prime, because the next prime (350255593) can be obtained adding 350255561 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 343879936 + 6375625 = 18544^2 + 2525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-350255561 is a prime.

It is a super-2 number, since 2×350255561² = 245357916022849442, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (350255531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175127780 + 175127781.

It is an arithmetic number, because the mean of its divisors is an integer number (175127781).

Almost surely, 2^350255561 is an apocalyptic number.

It is an amenable number.

350255561 is a deficient number, since it is larger than the sum of its proper divisors (1).

350255561 is an equidigital number, since it uses as much as digits as its factorization.

350255561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 350255561 is about 18715.1158425482. The cubic root of 350255561 is about 704.9013566862.

The spelling of 350255561 in words is "three hundred fifty million, two hundred fifty-five thousand, five hundred sixty-one".