553121425 has 6 divisors (see below), whose sum is σ = 685870598. Its totient is φ = 442497120.

The previous prime is 553121417. The next prime is 553121497. The reversal of 553121425 is 524121355.

It can be written as a sum of positive squares in 3 ways, for example, as 12837889 + 540283536 = 3583^2 + 23244^2 .

It is not a de Polignac number, because 553121425 - 2³ = 553121417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 553121393 and 553121402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11062404 + ... + 11062453.

Almost surely, 2^553121425 is an apocalyptic number.

It is an amenable number.

553121425 is a deficient number, since it is larger than the sum of its proper divisors (132749173).

553121425 is a wasteful number, since it uses less digits than its factorization.

553121425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22124867 (or 22124862 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 553121425 is about 23518.5336490182. The cubic root of 553121425 is about 820.8683172552.

The spelling of 553121425 in words is "five hundred fifty-three million, one hundred twenty-one thousand, four hundred twenty-five".