688058341 has 2 divisors, whose sum is σ = 688058342. Its totient is φ = 688058340.

The previous prime is 688058339. The next prime is 688058347. The reversal of 688058341 is 143850886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 563825025 + 124233316 = 23745^2 + 11146^2 .

It is a cyclic number.

It is not a de Polignac number, because 688058341 - 2¹ = 688058339 is a prime.

Together with 688058339, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (688058347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344029170 + 344029171.

It is an arithmetic number, because the mean of its divisors is an integer number (344029171).

Almost surely, 2^688058341 is an apocalyptic number.

It is an amenable number.

688058341 is a deficient number, since it is larger than the sum of its proper divisors (1).

688058341 is an equidigital number, since it uses as much as digits as its factorization.

688058341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 688058341 is about 26230.8661885192. The cubic root of 688058341 is about 882.8259450257.

The spelling of 688058341 in words is "six hundred eighty-eight million, fifty-eight thousand, three hundred forty-one".