345361513 has 4 divisors (see below), whose sum is σ = 394698880. Its totient is φ = 296024148.

The previous prime is 345361507. The next prime is 345361543. The reversal of 345361513 is 315163543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-345361513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345361543) 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, 24668673 + ... + 24668686.

It is an arithmetic number, because the mean of its divisors is an integer number (98674720).

Almost surely, 2^345361513 is an apocalyptic number.

It is an amenable number.

345361513 is a deficient number, since it is larger than the sum of its proper divisors (49337367).

345361513 is an equidigital number, since it uses as much as digits as its factorization.

345361513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49337366.

The product of its digits is 16200, while the sum is 31.

The square root of 345361513 is about 18583.9046758210. The cubic root of 345361513 is about 701.6027986795.

The spelling of 345361513 in words is "three hundred forty-five million, three hundred sixty-one thousand, five hundred thirteen".