557825789 has 2 divisors, whose sum is σ = 557825790. Its totient is φ = 557825788.

The previous prime is 557825773. The next prime is 557825797. The reversal of 557825789 is 987528755.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 466776025 + 91049764 = 21605^2 + 9542^2 .

It is a cyclic number.

It is not a de Polignac number, because 557825789 - 2⁴ = 557825773 is a prime.

It is a super-2 number, since 2×557825789² = 622339221746945042, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557825089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278912894 + 278912895.

It is an arithmetic number, because the mean of its divisors is an integer number (278912895).

Almost surely, 2^557825789 is an apocalyptic number.

It is an amenable number.

557825789 is a deficient number, since it is larger than the sum of its proper divisors (1).

557825789 is an equidigital number, since it uses as much as digits as its factorization.

557825789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056000, while the sum is 56.

The square root of 557825789 is about 23618.3358643237. The cubic root of 557825789 is about 823.1889450323.

The spelling of 557825789 in words is "five hundred fifty-seven million, eight hundred twenty-five thousand, seven hundred eighty-nine".