552452521 has 2 divisors, whose sum is σ = 552452522. Its totient is φ = 552452520.

The previous prime is 552452503. The next prime is 552452543. The reversal of 552452521 is 125254255.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 548496400 + 3956121 = 23420^2 + 1989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552452521 is a prime.

It is not a weakly prime, because it can be changed into another prime (552452501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276226260 + 276226261.

It is an arithmetic number, because the mean of its divisors is an integer number (276226261).

Almost surely, 2^552452521 is an apocalyptic number.

It is an amenable number.

552452521 is a deficient number, since it is larger than the sum of its proper divisors (1).

552452521 is an equidigital number, since it uses as much as digits as its factorization.

552452521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20000, while the sum is 31.

The square root of 552452521 is about 23504.3085624742. The cubic root of 552452521 is about 820.5372847039.

The spelling of 552452521 in words is "five hundred fifty-two million, four hundred fifty-two thousand, five hundred twenty-one".