4130561 has 4 divisors (see below), whose sum is σ = 4162224. Its totient is φ = 4098900.

The previous prime is 4130527. The next prime is 4130563. The reversal of 4130561 is 1650314.

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 a de Polignac number, because none of the positive numbers 2^k-4130561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4130563) 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, 15635 + ... + 15896.

It is an arithmetic number, because the mean of its divisors is an integer number (1040556).

Almost surely, 2^4130561 is an apocalyptic number.

It is an amenable number.

4130561 is a deficient number, since it is larger than the sum of its proper divisors (31663).

4130561 is a wasteful number, since it uses less digits than its factorization.

4130561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31662.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 4130561 is about 2032.3781636300. The cubic root of 4130561 is about 160.4487532226.

Adding to 4130561 its reverse (1650314), we get a palindrome (5780875).

The spelling of 4130561 in words is "four million, one hundred thirty thousand, five hundred sixty-one".