552680621 has 2 divisors, whose sum is σ = 552680622. Its totient is φ = 552680620.

The previous prime is 552680599. The next prime is 552680629. The reversal of 552680621 is 126086255.

552680621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 547326025 + 5354596 = 23395^2 + 2314^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552680621 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552680629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276340310 + 276340311.

It is an arithmetic number, because the mean of its divisors is an integer number (276340311).

Almost surely, 2^552680621 is an apocalyptic number.

It is an amenable number.

552680621 is a deficient number, since it is larger than the sum of its proper divisors (1).

552680621 is an equidigital number, since it uses as much as digits as its factorization.

552680621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 552680621 is about 23509.1603635689. The cubic root of 552680621 is about 820.6501986614.

The spelling of 552680621 in words is "five hundred fifty-two million, six hundred eighty thousand, six hundred twenty-one".