348888251 has 2 divisors, whose sum is σ = 348888252. Its totient is φ = 348888250.

The previous prime is 348888187. The next prime is 348888257. The reversal of 348888251 is 152888843.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 348888251 - 2⁶ = 348888187 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 348888196 and 348888205.

It is not a weakly prime, because it can be changed into another prime (348888257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174444125 + 174444126.

It is an arithmetic number, because the mean of its divisors is an integer number (174444126).

Almost surely, 2^348888251 is an apocalyptic number.

348888251 is a deficient number, since it is larger than the sum of its proper divisors (1).

348888251 is an equidigital number, since it uses as much as digits as its factorization.

348888251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 491520, while the sum is 47.

The square root of 348888251 is about 18678.5505593983. The cubic root of 348888251 is about 703.9829077236.

The spelling of 348888251 in words is "three hundred forty-eight million, eight hundred eighty-eight thousand, two hundred fifty-one".