354775321 has 2 divisors, whose sum is σ = 354775322. Its totient is φ = 354775320.

The previous prime is 354775303. The next prime is 354775331. The reversal of 354775321 is 123577453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 353853721 + 921600 = 18811^2 + 960^2 .

It is a cyclic number.

It is not a de Polignac number, because 354775321 - 2⁹ = 354774809 is a prime.

It is not a weakly prime, because it can be changed into another prime (354775331) 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, 177387660 + 177387661.

It is an arithmetic number, because the mean of its divisors is an integer number (177387661).

Almost surely, 2^354775321 is an apocalyptic number.

It is an amenable number.

354775321 is a deficient number, since it is larger than the sum of its proper divisors (1).

354775321 is an equidigital number, since it uses as much as digits as its factorization.

354775321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88200, while the sum is 37.

The square root of 354775321 is about 18835.4803761412. The cubic root of 354775321 is about 707.9204647746.

The spelling of 354775321 in words is "three hundred fifty-four million, seven hundred seventy-five thousand, three hundred twenty-one".