348501421 has 2 divisors, whose sum is σ = 348501422. Its totient is φ = 348501420.

The previous prime is 348501397. The next prime is 348501431. The reversal of 348501421 is 124105843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195608196 + 152893225 = 13986^2 + 12365^2 .

It is a cyclic number.

It is not a de Polignac number, because 348501421 - 2⁹ = 348500909 is a prime.

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 348501421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348501431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174250710 + 174250711.

It is an arithmetic number, because the mean of its divisors is an integer number (174250711).

Almost surely, 2^348501421 is an apocalyptic number.

It is an amenable number.

348501421 is a deficient number, since it is larger than the sum of its proper divisors (1).

348501421 is an equidigital number, since it uses as much as digits as its factorization.

348501421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 348501421 is about 18668.1927620217. The cubic root of 348501421 is about 703.7226310542.

The spelling of 348501421 in words is "three hundred forty-eight million, five hundred one thousand, four hundred twenty-one".