5121534 has 32 divisors (see below), whose sum is σ = 11337984. Its totient is φ = 1529280.

The previous prime is 5121533. The next prime is 5121551. The reversal of 5121534 is 4351215.

It is a super-2 number, since 2×5121534² = 52460221026312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5121534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4287 + ... + 5349.

It is an arithmetic number, because the mean of its divisors is an integer number (354312).

Almost surely, 2^5121534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5121534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5668992).

5121534 is an abundant number, since it is smaller than the sum of its proper divisors (6216450).

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

5121534 is a wasteful number, since it uses less digits than its factorization.

5121534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152.

The product of its digits is 600, while the sum is 21.

The square root of 5121534 is about 2263.0806437244. The cubic root of 5121534 is about 172.3719865193.

Adding to 5121534 its reverse (4351215), we get a palindrome (9472749).

The spelling of 5121534 in words is "five million, one hundred twenty-one thousand, five hundred thirty-four".