557425541 has 2 divisors, whose sum is σ = 557425542. Its totient is φ = 557425540.

The previous prime is 557425537. The next prime is 557425543. The reversal of 557425541 is 145524755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 489692641 + 67732900 = 22129^2 + 8230^2 .

It is a cyclic number.

It is not a de Polignac number, because 557425541 - 2² = 557425537 is a prime.

Together with 557425543, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 557425495 and 557425504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557425543) by changing a digit.

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 as a sum of consecutive naturals, namely, 278712770 + 278712771.

It is an arithmetic number, because the mean of its divisors is an integer number (278712771).

Almost surely, 2^557425541 is an apocalyptic number.

It is an amenable number.

557425541 is a deficient number, since it is larger than the sum of its proper divisors (1).

557425541 is an equidigital number, since it uses as much as digits as its factorization.

557425541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 140000, while the sum is 38.

The square root of 557425541 is about 23609.8610965842. The cubic root of 557425541 is about 822.9920146352.

The spelling of 557425541 in words is "five hundred fifty-seven million, four hundred twenty-five thousand, five hundred forty-one".