354730561 has 2 divisors, whose sum is σ = 354730562. Its totient is φ = 354730560.

The previous prime is 354730553. The next prime is 354730567. The reversal of 354730561 is 165037453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 321090561 + 33640000 = 17919^2 + 5800^2 .

It is a cyclic number.

It is not a de Polignac number, because 354730561 - 2³ = 354730553 is a prime.

It is not a weakly prime, because it can be changed into another prime (354730567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177365280 + 177365281.

It is an arithmetic number, because the mean of its divisors is an integer number (177365281).

Almost surely, 2^354730561 is an apocalyptic number.

It is an amenable number.

354730561 is a deficient number, since it is larger than the sum of its proper divisors (1).

354730561 is an equidigital number, since it uses as much as digits as its factorization.

354730561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 354730561 is about 18834.2921555337. The cubic root of 354730561 is about 707.8906920793.

The spelling of 354730561 in words is "three hundred fifty-four million, seven hundred thirty thousand, five hundred sixty-one".