5251388 has 6 divisors (see below), whose sum is σ = 9189936. Its totient is φ = 2625692.

The previous prime is 5251361. The next prime is 5251409. The reversal of 5251388 is 8831525.

It is a happy number.

It is an Ulam number.

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, 656420 + ... + 656427.

It is an arithmetic number, because the mean of its divisors is an integer number (1531656).

Almost surely, 2^5251388 is an apocalyptic number.

It is an amenable number.

5251388 is a deficient number, since it is larger than the sum of its proper divisors (3938548).

5251388 is a wasteful number, since it uses less digits than its factorization.

5251388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312851 (or 1312849 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The square root of 5251388 is about 2291.5907138929. The cubic root of 5251388 is about 173.8166474820.

The spelling of 5251388 in words is "five million, two hundred fifty-one thousand, three hundred eighty-eight".