348020551 has 2 divisors, whose sum is σ = 348020552. Its totient is φ = 348020550.

The previous prime is 348020537. The next prime is 348020591. The reversal of 348020551 is 155020843.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348020551 is a prime.

It is a super-2 number, since 2×348020551² = 242236607836687202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348020591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174010275 + 174010276.

It is an arithmetic number, because the mean of its divisors is an integer number (174010276).

Almost surely, 2^348020551 is an apocalyptic number.

348020551 is a deficient number, since it is larger than the sum of its proper divisors (1).

348020551 is an equidigital number, since it uses as much as digits as its factorization.

348020551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 348020551 is about 18655.3089226633. The cubic root of 348020551 is about 703.3988113659.

The spelling of 348020551 in words is "three hundred forty-eight million, twenty thousand, five hundred fifty-one".