345848551 has 2 divisors, whose sum is σ = 345848552. Its totient is φ = 345848550.

The previous prime is 345848537. The next prime is 345848563. The reversal of 345848551 is 155848543.

It is a strong prime.

It is an emirp because it is prime and its reverse (155848543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345848551 - 2⁷ = 345848423 is a prime.

It is a super-2 number, since 2×345848551² = 239222440457599202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 345848498 and 345848507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345848521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172924275 + 172924276.

It is an arithmetic number, because the mean of its divisors is an integer number (172924276).

Almost surely, 2^345848551 is an apocalyptic number.

345848551 is a deficient number, since it is larger than the sum of its proper divisors (1).

345848551 is an equidigital number, since it uses as much as digits as its factorization.

345848551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384000, while the sum is 43.

The square root of 345848551 is about 18597.0038178197. The cubic root of 345848551 is about 701.9324500820.

The spelling of 345848551 in words is "three hundred forty-five million, eight hundred forty-eight thousand, five hundred fifty-one".