348997277 has 2 divisors, whose sum is σ = 348997278. Its totient is φ = 348997276.

The previous prime is 348997249. The next prime is 348997303. The reversal of 348997277 is 772799843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 306565081 + 42432196 = 17509^2 + 6514^2 .

It is a cyclic number.

It is not a de Polignac number, because 348997277 - 2¹⁴ = 348980893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348997217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174498638 + 174498639.

It is an arithmetic number, because the mean of its divisors is an integer number (174498639).

Almost surely, 2^348997277 is an apocalyptic number.

It is an amenable number.

348997277 is a deficient number, since it is larger than the sum of its proper divisors (1).

348997277 is an equidigital number, since it uses as much as digits as its factorization.

348997277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5334336, while the sum is 56.

The square root of 348997277 is about 18681.4688127031. The cubic root of 348997277 is about 704.0562305777.

The spelling of 348997277 in words is "three hundred forty-eight million, nine hundred ninety-seven thousand, two hundred seventy-seven".