340252513 has 4 divisors (see below), whose sum is σ = 358160560. Its totient is φ = 322344468.

The previous prime is 340252487. The next prime is 340252543. The reversal of 340252513 is 315252043.

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 340252513 - 2¹³ = 340244321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340252543) 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, 8953995 + ... + 8954032.

It is an arithmetic number, because the mean of its divisors is an integer number (89540140).

Almost surely, 2^340252513 is an apocalyptic number.

It is an amenable number.

340252513 is a deficient number, since it is larger than the sum of its proper divisors (17908047).

340252513 is a wasteful number, since it uses less digits than its factorization.

340252513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17908046.

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

The square root of 340252513 is about 18445.9348638121. The cubic root of 340252513 is about 698.1259484602.

The spelling of 340252513 in words is "three hundred forty million, two hundred fifty-two thousand, five hundred thirteen".