552621425 has 6 divisors (see below), whose sum is σ = 685250598. Its totient is φ = 442097120.

The previous prime is 552621413. The next prime is 552621439. The reversal of 552621425 is 524126255.

It can be written as a sum of positive squares in 3 ways, for example, as 173501584 + 379119841 = 13172^2 + 19471^2 .

It is not a de Polignac number, because 552621425 - 2¹⁰ = 552620401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 552621391 and 552621400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11052404 + ... + 11052453.

It is an arithmetic number, because the mean of its divisors is an integer number (114208433).

Almost surely, 2^552621425 is an apocalyptic number.

It is an amenable number.

552621425 is a deficient number, since it is larger than the sum of its proper divisors (132629173).

552621425 is a wasteful number, since it uses less digits than its factorization.

552621425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22104867 (or 22104862 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The square root of 552621425 is about 23507.9013312546. The cubic root of 552621425 is about 820.6208984701.

The spelling of 552621425 in words is "five hundred fifty-two million, six hundred twenty-one thousand, four hundred twenty-five".