671088349 has 2 divisors, whose sum is σ = 671088350. Its totient is φ = 671088348.

The previous prime is 671088347. The next prime is 671088433. The reversal of 671088349 is 943880176.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 607376025 + 63712324 = 24645^2 + 7982^2 .

It is a cyclic number.

It is not a de Polignac number, because 671088349 - 2¹ = 671088347 is a prime.

Together with 671088347, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 671088299 and 671088308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671088347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335544174 + 335544175.

It is an arithmetic number, because the mean of its divisors is an integer number (335544175).

Almost surely, 2^671088349 is an apocalyptic number.

It is an amenable number.

671088349 is a deficient number, since it is larger than the sum of its proper divisors (1).

671088349 is an equidigital number, since it uses as much as digits as its factorization.

671088349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 671088349 is about 25905.3729755045. The cubic root of 671088349 is about 875.5075581515.

It can be divided in two parts, 67108 and 8349, that added together give a palindrome (75457).

The spelling of 671088349 in words is "six hundred seventy-one million, eighty-eight thousand, three hundred forty-nine".