5163561 has 32 divisors (see below), whose sum is σ = 8440320. Its totient is φ = 3100032.

The previous prime is 5163547. The next prime is 5163583. The reversal of 5163561 is 1653615.

It is a happy number.

It is not a de Polignac number, because 5163561 - 2¹⁸ = 4901417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5163511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16341 + ... + 16653.

It is an arithmetic number, because the mean of its divisors is an integer number (263760).

Almost surely, 2^5163561 is an apocalyptic number.

It is an amenable number.

5163561 is a deficient number, since it is larger than the sum of its proper divisors (3276759).

5163561 is a wasteful number, since it uses less digits than its factorization.

5163561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 376 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 5163561 is about 2272.3470245541. The cubic root of 5163561 is about 172.8421940751.

The spelling of 5163561 in words is "five million, one hundred sixty-three thousand, five hundred sixty-one".