647303341 has 2 divisors, whose sum is σ = 647303342. Its totient is φ = 647303340.

The previous prime is 647303309. The next prime is 647303347. The reversal of 647303341 is 143303746.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 448211241 + 199092100 = 21171^2 + 14110^2 .

It is a cyclic number.

It is not a de Polignac number, because 647303341 - 2⁵ = 647303309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (647303347) 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, 323651670 + 323651671.

It is an arithmetic number, because the mean of its divisors is an integer number (323651671).

Almost surely, 2^647303341 is an apocalyptic number.

It is an amenable number.

647303341 is a deficient number, since it is larger than the sum of its proper divisors (1).

647303341 is an equidigital number, since it uses as much as digits as its factorization.

647303341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 647303341 is about 25442.1567678528. The cubic root of 647303341 is about 865.0395210651.

The spelling of 647303341 in words is "six hundred forty-seven million, three hundred three thousand, three hundred forty-one".