5210561 has 4 divisors (see below), whose sum is σ = 5321472. Its totient is φ = 5099652.

The previous prime is 5210539. The next prime is 5210563. The reversal of 5210561 is 1650125.

5210561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5210561 - 2⁶ = 5210497 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5210563) 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, 55385 + ... + 55478.

It is an arithmetic number, because the mean of its divisors is an integer number (1330368).

Almost surely, 2^5210561 is an apocalyptic number.

It is an amenable number.

5210561 is a deficient number, since it is larger than the sum of its proper divisors (110911).

5210561 is a wasteful number, since it uses less digits than its factorization.

5210561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110910.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 5210561 is about 2282.6653280759. The cubic root of 5210561 is about 173.3650283099.

Adding to 5210561 its reverse (1650125), we get a palindrome (6860686).

The spelling of 5210561 in words is "five million, two hundred ten thousand, five hundred sixty-one".