34116521 has 4 divisors (see below), whose sum is σ = 35599872. Its totient is φ = 32633172.

The previous prime is 34116517. The next prime is 34116529. The reversal of 34116521 is 12561143.

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 34116521 - 2² = 34116517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 1483327 = 34116521 / (3 + 4 + 1 + 1 + 6 + 5 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34116529) 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, 741641 + ... + 741686.

It is an arithmetic number, because the mean of its divisors is an integer number (8899968).

Almost surely, 2^34116521 is an apocalyptic number.

It is an amenable number.

34116521 is a deficient number, since it is larger than the sum of its proper divisors (1483351).

34116521 is a wasteful number, since it uses less digits than its factorization.

34116521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483350.

The product of its digits is 720, while the sum is 23.

The square root of 34116521 is about 5840.9349422845. The cubic root of 34116521 is about 324.3308393469.

Adding to 34116521 its reverse (12561143), we get a palindrome (46677664).

The spelling of 34116521 in words is "thirty-four million, one hundred sixteen thousand, five hundred twenty-one".