350512661 has 2 divisors, whose sum is σ = 350512662. Its totient is φ = 350512660.

The previous prime is 350512621. The next prime is 350512693. The reversal of 350512661 is 166215053.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210540100 + 139972561 = 14510^2 + 11831^2 .

It is a cyclic number.

It is not a de Polignac number, because 350512661 - 2⁶ = 350512597 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (350512601) 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, 175256330 + 175256331.

It is an arithmetic number, because the mean of its divisors is an integer number (175256331).

Almost surely, 2^350512661 is an apocalyptic number.

It is an amenable number.

350512661 is a deficient number, since it is larger than the sum of its proper divisors (1).

350512661 is an equidigital number, since it uses as much as digits as its factorization.

350512661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 350512661 is about 18721.9833618129. The cubic root of 350512661 is about 705.0737886987.

The spelling of 350512661 in words is "three hundred fifty million, five hundred twelve thousand, six hundred sixty-one".