348422521 has 4 divisors (see below), whose sum is σ = 348537700. Its totient is φ = 348307344.

The previous prime is 348422509. The next prime is 348422549. The reversal of 348422521 is 125224843.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103938025 + 244484496 = 10195^2 + 15636^2 .

It is a cyclic number.

It is not a de Polignac number, because 348422521 - 2¹¹ = 348420473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348425521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52926 + ... + 59143.

It is an arithmetic number, because the mean of its divisors is an integer number (87134425).

Almost surely, 2^348422521 is an apocalyptic number.

It is an amenable number.

348422521 is a deficient number, since it is larger than the sum of its proper divisors (115179).

348422521 is a wasteful number, since it uses less digits than its factorization.

348422521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115178.

The product of its digits is 15360, while the sum is 31.

The square root of 348422521 is about 18666.0794223104. The cubic root of 348422521 is about 703.6695199305.

The spelling of 348422521 in words is "three hundred forty-eight million, four hundred twenty-two thousand, five hundred twenty-one".