346273513 has 4 divisors (see below), whose sum is σ = 348275268. Its totient is φ = 344271760.

The previous prime is 346273483. The next prime is 346273517. The reversal of 346273513 is 315372643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 315372643 = 109 ⋅2893327.

It can be written as a sum of positive squares in 2 ways, for example, as 321592489 + 24681024 = 17933^2 + 4968^2 .

It is a cyclic number.

It is not a de Polignac number, because 346273513 - 2¹⁷ = 346142441 is a prime.

It is a super-2 number, since 2×346273513² = 239810691610722338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346273517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000618 + ... + 1000963.

It is an arithmetic number, because the mean of its divisors is an integer number (87068817).

Almost surely, 2^346273513 is an apocalyptic number.

It is an amenable number.

346273513 is a deficient number, since it is larger than the sum of its proper divisors (2001755).

346273513 is a wasteful number, since it uses less digits than its factorization.

346273513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001754.

The product of its digits is 45360, while the sum is 34.

The square root of 346273513 is about 18608.4258603462. The cubic root of 346273513 is about 702.2198326407.

The spelling of 346273513 in words is "three hundred forty-six million, two hundred seventy-three thousand, five hundred thirteen".