337680913 has 2 divisors, whose sum is σ = 337680914. Its totient is φ = 337680912.

The previous prime is 337680857. The next prime is 337680929. The reversal of 337680913 is 319086733.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 315843984 + 21836929 = 17772^2 + 4673^2 .

It is a cyclic number.

It is not a de Polignac number, because 337680913 - 2¹³ = 337672721 is a prime.

It is a super-2 number, since 2×337680913² = 228056798009027138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (337680943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168840456 + 168840457.

It is an arithmetic number, because the mean of its divisors is an integer number (168840457).

Almost surely, 2^337680913 is an apocalyptic number.

It is an amenable number.

337680913 is a deficient number, since it is larger than the sum of its proper divisors (1).

337680913 is an equidigital number, since it uses as much as digits as its factorization.

337680913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 337680913 is about 18376.0962394084. The cubic root of 337680913 is about 696.3627063403.

The spelling of 337680913 in words is "three hundred thirty-seven million, six hundred eighty thousand, nine hundred thirteen".