356321089 has 2 divisors, whose sum is σ = 356321090. Its totient is φ = 356321088.

The previous prime is 356321051. The next prime is 356321093. The reversal of 356321089 is 980123653.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 325983025 + 30338064 = 18055^2 + 5508^2 .

It is a cyclic number.

It is not a de Polignac number, because 356321089 - 2¹³ = 356312897 is a prime.

It is a super-2 number, since 2×356321089² = 253929436932291842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (356321029) 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, 178160544 + 178160545.

It is an arithmetic number, because the mean of its divisors is an integer number (178160545).

Almost surely, 2^356321089 is an apocalyptic number.

It is an amenable number.

356321089 is a deficient number, since it is larger than the sum of its proper divisors (1).

356321089 is an equidigital number, since it uses as much as digits as its factorization.

356321089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 356321089 is about 18876.4691878540. The cubic root of 356321089 is about 708.9471195797.

The spelling of 356321089 in words is "three hundred fifty-six million, three hundred twenty-one thousand, eighty-nine".