356403473 has 2 divisors, whose sum is σ = 356403474. Its totient is φ = 356403472.

The previous prime is 356403451. The next prime is 356403503. The reversal of 356403473 is 374304653.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 345327889 + 11075584 = 18583^2 + 3328^2 .

It is a cyclic number.

It is not a de Polignac number, because 356403473 - 2⁶ = 356403409 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (356403403) 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, 178201736 + 178201737.

It is an arithmetic number, because the mean of its divisors is an integer number (178201737).

Almost surely, 2^356403473 is an apocalyptic number.

It is an amenable number.

356403473 is a deficient number, since it is larger than the sum of its proper divisors (1).

356403473 is an equidigital number, since it uses as much as digits as its factorization.

356403473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 35.

The square root of 356403473 is about 18878.6512494934. The cubic root of 356403473 is about 709.0017532613.

The spelling of 356403473 in words is "three hundred fifty-six million, four hundred three thousand, four hundred seventy-three".