355630091 has 2 divisors, whose sum is σ = 355630092. Its totient is φ = 355630090.

The previous prime is 355630073. The next prime is 355630127. The reversal of 355630091 is 190036553.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 355630091 - 2¹⁰ = 355629067 is a prime.

It is not a weakly prime, because it can be changed into another prime (355630031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177815045 + 177815046.

It is an arithmetic number, because the mean of its divisors is an integer number (177815046).

Almost surely, 2^355630091 is an apocalyptic number.

355630091 is a deficient number, since it is larger than the sum of its proper divisors (1).

355630091 is an equidigital number, since it uses as much as digits as its factorization.

355630091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 32.

The square root of 355630091 is about 18858.1571475052. The cubic root of 355630091 is about 708.4885462434.

The spelling of 355630091 in words is "three hundred fifty-five million, six hundred thirty thousand, ninety-one".