354491611 has 2 divisors, whose sum is σ = 354491612. Its totient is φ = 354491610.

The previous prime is 354491609. The next prime is 354491639. The reversal of 354491611 is 116194453.

It is a weak prime.

It is an emirp because it is prime and its reverse (116194453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354491611 - 2¹ = 354491609 is a prime.

Together with 354491609, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (354498611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177245805 + 177245806.

It is an arithmetic number, because the mean of its divisors is an integer number (177245806).

Almost surely, 2^354491611 is an apocalyptic number.

354491611 is a deficient number, since it is larger than the sum of its proper divisors (1).

354491611 is an equidigital number, since it uses as much as digits as its factorization.

354491611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 34.

The square root of 354491611 is about 18827.9476045585. The cubic root of 354491611 is about 707.7317089954.

The spelling of 354491611 in words is "three hundred fifty-four million, four hundred ninety-one thousand, six hundred eleven".