348066557 has 2 divisors, whose sum is σ = 348066558. Its totient is φ = 348066556.

The previous prime is 348066479. The next prime is 348066569. The reversal of 348066557 is 755660843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217444516 + 130622041 = 14746^2 + 11429^2 .

It is a cyclic number.

It is not a de Polignac number, because 348066557 - 2²⁰ = 347017981 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 (348066157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174033278 + 174033279.

It is an arithmetic number, because the mean of its divisors is an integer number (174033279).

Almost surely, 2^348066557 is an apocalyptic number.

It is an amenable number.

348066557 is a deficient number, since it is larger than the sum of its proper divisors (1).

348066557 is an equidigital number, since it uses as much as digits as its factorization.

348066557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 348066557 is about 18656.5419357393. The cubic root of 348066557 is about 703.4298048803.

The spelling of 348066557 in words is "three hundred forty-eight million, sixty-six thousand, five hundred fifty-seven".