5217428 has 6 divisors (see below), whose sum is σ = 9130506. Its totient is φ = 2608712.

The previous prime is 5217413. The next prime is 5217431. The reversal of 5217428 is 8247125.

It can be written as a sum of positive squares in only one way, i.e., 5071504 + 145924 = 2252^2 + 382^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5217428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652175 + ... + 652182.

It is an arithmetic number, because the mean of its divisors is an integer number (1521751).

Almost surely, 2^5217428 is an apocalyptic number.

It is an amenable number.

5217428 is a deficient number, since it is larger than the sum of its proper divisors (3913078).

5217428 is a wasteful number, since it uses less digits than its factorization.

5217428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304361 (or 1304359 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 5217428 is about 2284.1689954992. The cubic root of 5217428 is about 173.4411541529.

The spelling of 5217428 in words is "five million, two hundred seventeen thousand, four hundred twenty-eight".