345047579 has 2 divisors, whose sum is σ = 345047580. Its totient is φ = 345047578.

The previous prime is 345047557. The next prime is 345047611. The reversal of 345047579 is 975740543.

It is a weak prime.

It is an emirp because it is prime and its reverse (975740543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345047579 - 2⁸ = 345047323 is a prime.

It is a super-2 number, since 2×345047579² = 238115663547522482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (345046579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172523789 + 172523790.

It is an arithmetic number, because the mean of its divisors is an integer number (172523790).

Almost surely, 2^345047579 is an apocalyptic number.

345047579 is a deficient number, since it is larger than the sum of its proper divisors (1).

345047579 is an equidigital number, since it uses as much as digits as its factorization.

345047579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 529200, while the sum is 44.

The square root of 345047579 is about 18575.4563604774. The cubic root of 345047579 is about 701.3901483249.

The spelling of 345047579 in words is "three hundred forty-five million, forty-seven thousand, five hundred seventy-nine".