5121564 has 48 divisors (see below), whose sum is σ = 14380800. Its totient is φ = 1385856.

The previous prime is 5121559. The next prime is 5121581. The reversal of 5121564 is 4651215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9 + ... + 3200.

It is an arithmetic number, because the mean of its divisors is an integer number (299600).

Almost surely, 2^5121564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5121564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7190400).

5121564 is an abundant number, since it is smaller than the sum of its proper divisors (9259236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5121564 is a wasteful number, since it uses less digits than its factorization.

5121564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242 (or 3240 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 5121564 is about 2263.0872718479. The cubic root of 5121564 is about 172.3723230818.

Adding to 5121564 its reverse (4651215), we get a palindrome (9772779).

The spelling of 5121564 in words is "five million, one hundred twenty-one thousand, five hundred sixty-four".