348457 has 2 divisors, whose sum is σ = 348458. Its totient is φ = 348456.

The previous prime is 348451. The next prime is 348461. The reversal of 348457 is 754843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197136 + 151321 = 444^2 + 389^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348457 is a prime.

348457 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174228 + 174229.

It is an arithmetic number, because the mean of its divisors is an integer number (174229).

2³⁴⁸⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

348457 is a deficient number, since it is larger than the sum of its proper divisors (1).

348457 is an equidigital number, since it uses as much as digits as its factorization.

348457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 31.

The square root of 348457 is about 590.3024648432. The cubic root of 348457 is about 70.3692730276.

The spelling of 348457 in words is "three hundred forty-eight thousand, four hundred fifty-seven".