34018561 has 4 divisors (see below), whose sum is σ = 34848324. Its totient is φ = 33188800.

The previous prime is 34018519. The next prime is 34018571. The reversal of 34018561 is 16581043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16581043 = 103 ⋅160981.

It can be written as a sum of positive squares in 2 ways, for example, as 7392961 + 26625600 = 2719^2 + 5160^2 .

It is a cyclic number.

It is not a de Polignac number, because 34018561 - 2⁷ = 34018433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34018571) 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, 414820 + ... + 414901.

It is an arithmetic number, because the mean of its divisors is an integer number (8712081).

Almost surely, 2^34018561 is an apocalyptic number.

It is an amenable number.

34018561 is a deficient number, since it is larger than the sum of its proper divisors (829763).

34018561 is an equidigital number, since it uses as much as digits as its factorization.

34018561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829762.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 34018561 is about 5832.5432703067. The cubic root of 34018561 is about 324.0201208101.

The spelling of 34018561 in words is "thirty-four million, eighteen thousand, five hundred sixty-one".