340854513 has 4 divisors (see below), whose sum is σ = 454472688. Its totient is φ = 227236340.

The previous prime is 340854499. The next prime is 340854557. The reversal of 340854513 is 315458043.

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 cyclic number.

It is not a de Polignac number, because 340854513 - 2⁸ = 340854257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340854583) 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, 56809083 + ... + 56809088.

It is an arithmetic number, because the mean of its divisors is an integer number (113618172).

Almost surely, 2^340854513 is an apocalyptic number.

It is an amenable number.

340854513 is a deficient number, since it is larger than the sum of its proper divisors (113618175).

340854513 is a wasteful number, since it uses less digits than its factorization.

340854513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113618174.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 340854513 is about 18462.2456109759. The cubic root of 340854513 is about 698.5374312949.

The spelling of 340854513 in words is "three hundred forty million, eight hundred fifty-four thousand, five hundred thirteen".