34516813 has 4 divisors (see below), whose sum is σ = 36017568. Its totient is φ = 33016060.

The previous prime is 34516799. The next prime is 34516837. The reversal of 34516813 is 31861543.

It is the 2399-th star number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31861543 = 7 ⋅4551649.

It is a cyclic number.

It is not a de Polignac number, because 34516813 - 2²¹ = 32419661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34516843) 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, 750343 + ... + 750388.

It is an arithmetic number, because the mean of its divisors is an integer number (9004392).

Almost surely, 2^34516813 is an apocalyptic number.

It is an amenable number.

34516813 is a deficient number, since it is larger than the sum of its proper divisors (1500755).

34516813 is a wasteful number, since it uses less digits than its factorization.

34516813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500754.

The product of its digits is 8640, while the sum is 31.

The square root of 34516813 is about 5875.1011055130. The cubic root of 34516813 is about 325.5943773969.

The spelling of 34516813 in words is "thirty-four million, five hundred sixteen thousand, eight hundred thirteen".