354365321 has 2 divisors, whose sum is σ = 354365322. Its totient is φ = 354365320.

The previous prime is 354365303. The next prime is 354365329. The reversal of 354365321 is 123563453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307511296 + 46854025 = 17536^2 + 6845^2 .

It is a cyclic number.

It is not a de Polignac number, because 354365321 - 2²⁶ = 287256457 is a prime.

It is not a weakly prime, because it can be changed into another prime (354365329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177182660 + 177182661.

It is an arithmetic number, because the mean of its divisors is an integer number (177182661).

Almost surely, 2^354365321 is an apocalyptic number.

It is an amenable number.

354365321 is a deficient number, since it is larger than the sum of its proper divisors (1).

354365321 is an equidigital number, since it uses as much as digits as its factorization.

354365321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 32.

The square root of 354365321 is about 18824.5935148677. The cubic root of 354365321 is about 707.6476542996.

The spelling of 354365321 in words is "three hundred fifty-four million, three hundred sixty-five thousand, three hundred twenty-one".