5388521 has 2 divisors, whose sum is σ = 5388522. Its totient is φ = 5388520.

The previous prime is 5388491. The next prime is 5388547. The reversal of 5388521 is 1258835.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4145296 + 1243225 = 2036^2 + 1115^2 .

It is a cyclic number.

It is not a de Polignac number, because 5388521 - 2¹⁴ = 5372137 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5388121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2694260 + 2694261.

It is an arithmetic number, because the mean of its divisors is an integer number (2694261).

Almost surely, 2^5388521 is an apocalyptic number.

It is an amenable number.

5388521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5388521 is an equidigital number, since it uses as much as digits as its factorization.

5388521 is an odious number, because the sum of its binary digits is odd.

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

The square root of 5388521 is about 2321.3188061962. The cubic root of 5388521 is about 175.3166620294.

The spelling of 5388521 in words is "five million, three hundred eighty-eight thousand, five hundred twenty-one".