613414561 has 4 divisors (see below), whose sum is σ = 615629332. Its totient is φ = 611199792.

The previous prime is 613414559. The next prime is 613414567. The reversal of 613414561 is 165414316.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92160000 + 521254561 = 9600^2 + 22831^2 .

It is a cyclic number.

It is not a de Polignac number, because 613414561 - 2¹ = 613414559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613414567) 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, 1106970 + ... + 1107523.

It is an arithmetic number, because the mean of its divisors is an integer number (153907333).

Almost surely, 2^613414561 is an apocalyptic number.

It is an amenable number.

613414561 is a deficient number, since it is larger than the sum of its proper divisors (2214771).

613414561 is a wasteful number, since it uses less digits than its factorization.

613414561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214770.

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

The square root of 613414561 is about 24767.2073718455. The cubic root of 613414561 is about 849.6721046695.

Adding to 613414561 its reverse (165414316), we get a palindrome (778828877).

The spelling of 613414561 in words is "six hundred thirteen million, four hundred fourteen thousand, five hundred sixty-one".