557426225 has 6 divisors (see below), whose sum is σ = 691208550. Its totient is φ = 445940960.

The previous prime is 557426203. The next prime is 557426249. The reversal of 557426225 is 522624755.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 110019121 + 447407104 = 10489^2 + 21152^2 .

It is not a de Polignac number, because 557426225 - 2¹⁰ = 557425201 is a prime.

It is a Curzon number.

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, 11148500 + ... + 11148549.

It is an arithmetic number, because the mean of its divisors is an integer number (115201425).

Almost surely, 2^557426225 is an apocalyptic number.

It is an amenable number.

557426225 is a deficient number, since it is larger than the sum of its proper divisors (133782325).

557426225 is a wasteful number, since it uses less digits than its factorization.

557426225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22297059 (or 22297054 counting only the distinct ones).

The product of its digits is 168000, while the sum is 38.

The square root of 557426225 is about 23609.8755820525. The cubic root of 557426225 is about 822.9923512579.

The spelling of 557426225 in words is "five hundred fifty-seven million, four hundred twenty-six thousand, two hundred twenty-five".