5217912 has 192 divisors, whose sum is σ = 18468000. Its totient is φ = 1354752.

The previous prime is 5217911. The next prime is 5217917. The reversal of 5217912 is 2197125.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5217911) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 179914 + ... + 179942.

Almost surely, 2^5217912 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 5217912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9234000).

5217912 is an abundant number, since it is smaller than the sum of its proper divisors (13250088).

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

5217912 is a wasteful number, since it uses less digits than its factorization.

5217912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 58 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 5217912 is about 2284.2749396690. The cubic root of 5217912 is about 173.4465171353.

The spelling of 5217912 in words is "five million, two hundred seventeen thousand, nine hundred twelve".