354607321 has 2 divisors, whose sum is σ = 354607322. Its totient is φ = 354607320.

The previous prime is 354607313. The next prime is 354607387. The reversal of 354607321 is 123706453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212139225 + 142468096 = 14565^2 + 11936^2 .

It is a cyclic number.

It is not a de Polignac number, because 354607321 - 2³ = 354607313 is a prime.

It is not a weakly prime, because it can be changed into another prime (354607391) 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, 177303660 + 177303661.

It is an arithmetic number, because the mean of its divisors is an integer number (177303661).

Almost surely, 2^354607321 is an apocalyptic number.

It is an amenable number.

354607321 is a deficient number, since it is larger than the sum of its proper divisors (1).

354607321 is an equidigital number, since it uses as much as digits as its factorization.

354607321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 354607321 is about 18831.0201794805. The cubic root of 354607321 is about 707.8087044494.

The spelling of 354607321 in words is "three hundred fifty-four million, six hundred seven thousand, three hundred twenty-one".