354308161 has 4 divisors (see below), whose sum is σ = 354357972. Its totient is φ = 354258352.

The previous prime is 354308153. The next prime is 354308173. The reversal of 354308161 is 161803453.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 324540225 + 29767936 = 18015^2 + 5456^2 .

It is a cyclic number.

It is not a de Polignac number, because 354308161 - 2³ = 354308153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354302161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12010 + ... + 29203.

It is an arithmetic number, because the mean of its divisors is an integer number (88589493).

Almost surely, 2^354308161 is an apocalyptic number.

It is an amenable number.

354308161 is a deficient number, since it is larger than the sum of its proper divisors (49811).

354308161 is an equidigital number, since it uses as much as digits as its factorization.

354308161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49810.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 354308161 is about 18823.0752269654. The cubic root of 354308161 is about 707.6096038165.

The spelling of 354308161 in words is "three hundred fifty-four million, three hundred eight thousand, one hundred sixty-one".