557282461 has 2 divisors, whose sum is σ = 557282462. Its totient is φ = 557282460.

The previous prime is 557282459. The next prime is 557282497. The reversal of 557282461 is 164282755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 557196025 + 86436 = 23605^2 + 294^2 .

It is a cyclic number.

It is not a de Polignac number, because 557282461 - 2¹ = 557282459 is a prime.

Together with 557282459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557282441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278641230 + 278641231.

It is an arithmetic number, because the mean of its divisors is an integer number (278641231).

Almost surely, 2^557282461 is an apocalyptic number.

It is an amenable number.

557282461 is a deficient number, since it is larger than the sum of its proper divisors (1).

557282461 is an equidigital number, since it uses as much as digits as its factorization.

557282461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 40.

The square root of 557282461 is about 23606.8308122882. The cubic root of 557282461 is about 822.9215934069.

The spelling of 557282461 in words is "five hundred fifty-seven million, two hundred eighty-two thousand, four hundred sixty-one".