348005477 has 2 divisors, whose sum is σ = 348005478. Its totient is φ = 348005476.

The previous prime is 348005459. The next prime is 348005491. The reversal of 348005477 is 774500843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273373156 + 74632321 = 16534^2 + 8639^2 .

It is a cyclic number.

It is not a de Polignac number, because 348005477 - 2⁸ = 348005221 is a prime.

It is a super-2 number, since 2×348005477² = 242215624043995058, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 348005477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348005377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174002738 + 174002739.

It is an arithmetic number, because the mean of its divisors is an integer number (174002739).

Almost surely, 2^348005477 is an apocalyptic number.

It is an amenable number.

348005477 is a deficient number, since it is larger than the sum of its proper divisors (1).

348005477 is an equidigital number, since it uses as much as digits as its factorization.

348005477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 348005477 is about 18654.9049046089. The cubic root of 348005477 is about 703.3886556565.

The spelling of 348005477 in words is "three hundred forty-eight million, five thousand, four hundred seventy-seven".