345146513 has 2 divisors, whose sum is σ = 345146514. Its totient is φ = 345146512.

The previous prime is 345146491. The next prime is 345146531. The reversal of 345146513 is 315641543.

Together with next prime (345146531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245486224 + 99660289 = 15668^2 + 9983^2 .

It is a cyclic number.

It is not a de Polignac number, because 345146513 - 2¹⁴ = 345130129 is a prime.

It is a super-2 number, since 2×345146513² = 238252230872118338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 345146513.

It is not a weakly prime, because it can be changed into another prime (345146573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172573256 + 172573257.

It is an arithmetic number, because the mean of its divisors is an integer number (172573257).

Almost surely, 2^345146513 is an apocalyptic number.

It is an amenable number.

345146513 is a deficient number, since it is larger than the sum of its proper divisors (1).

345146513 is an equidigital number, since it uses as much as digits as its factorization.

345146513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 345146513 is about 18578.1191997468. The cubic root of 345146513 is about 701.4571774402.

The spelling of 345146513 in words is "three hundred forty-five million, one hundred forty-six thousand, five hundred thirteen".