5009561 has 8 divisors (see below), whose sum is σ = 5261760. Its totient is φ = 4760272.

The previous prime is 5009549. The next prime is 5009573. The reversal of 5009561 is 1659005.

It is an interprime number because it is at equal distance from previous prime (5009549) and next prime (5009573).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5009561 - 2⁶ = 5009497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5009561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5009581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3350 + ... + 4608.

It is an arithmetic number, because the mean of its divisors is an integer number (657720).

Almost surely, 2^5009561 is an apocalyptic number.

It is an amenable number.

5009561 is a deficient number, since it is larger than the sum of its proper divisors (252199).

5009561 is a wasteful number, since it uses less digits than its factorization.

5009561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 5009561 is about 2238.2048610438. The cubic root of 5009561 is about 171.1065191355.

The spelling of 5009561 in words is "five million, nine thousand, five hundred sixty-one".