5161624 has 32 divisors (see below), whose sum is σ = 10765440. Its totient is φ = 2304000.

The previous prime is 5161619. The next prime is 5161631. The reversal of 5161624 is 4261615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2424 + ... + 4024.

It is an arithmetic number, because the mean of its divisors is an integer number (336420).

Almost surely, 2^5161624 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 5161624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5382720).

5161624 is an abundant number, since it is smaller than the sum of its proper divisors (5603816).

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

5161624 is a wasteful number, since it uses less digits than its factorization.

5161624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651 (or 1647 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 5161624 is about 2271.9207732665. The cubic root of 5161624 is about 172.8205786820.

Subtracting from 5161624 its reverse (4261615), we obtain a palindrome (900009).

The spelling of 5161624 in words is "five million, one hundred sixty-one thousand, six hundred twenty-four".