340450513 has 8 divisors (see below), whose sum is σ = 368215848. Its totient is φ = 312910464.

The previous prime is 340450477. The next prime is 340450541. The reversal of 340450513 is 315054043.

It can be written as a sum of positive squares in 4 ways, for example, as 38837824 + 301612689 = 6232^2 + 17367^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340450513 - 2¹³ = 340442321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340450573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53170 + ... + 59227.

It is an arithmetic number, because the mean of its divisors is an integer number (46026981).

Almost surely, 2^340450513 is an apocalyptic number.

It is an amenable number.

340450513 is a deficient number, since it is larger than the sum of its proper divisors (27765335).

340450513 is a wasteful number, since it uses less digits than its factorization.

340450513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112643.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 340450513 is about 18451.3011194333. The cubic root of 340450513 is about 698.2613401947.

The spelling of 340450513 in words is "three hundred forty million, four hundred fifty thousand, five hundred thirteen".