5161564 has 24 divisors (see below), whose sum is σ = 9335088.
Its totient is φ = 2496000.
The previous prime is 5161561. The next prime is 5161567. The reversal of 5161564 is 4651615.
It is an interprime number because it is at equal distance from previous prime (5161561) and next prime (5161567).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5161561) 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 7 ways as a sum of consecutive naturals, for example, 20439 + ... + 20689.
It is an arithmetic number, because the mean of its divisors is an integer number (388962).
Almost surely, 25161564 is an apocalyptic number.
It is an amenable number.
5161564 is a deficient number, since it is larger than the sum of its proper divisors (4173524).
5161564 is a wasteful number, since it uses less digits than its factorization.
5161564 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 405 (or 403 counting only the distinct ones).
The product of its digits is 3600, while the sum is 28.
The square root of 5161564 is about 2271.9075685423.
The cubic root of 5161564 is about 172.8199090430.
It can be divided in two parts, 516 and 1564, that added together give a triangular number (2080 = T64).
The spelling of 5161564 in words is "five million, one hundred sixty-one thousand, five hundred sixty-four".