557412461 has 2 divisors, whose sum is σ = 557412462. Its totient is φ = 557412460.

The previous prime is 557412421. The next prime is 557412503. The reversal of 557412461 is 164214755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339259561 + 218152900 = 18419^2 + 14770^2 .

It is a cyclic number.

It is not a de Polignac number, because 557412461 - 2¹⁸ = 557150317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557412421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278706230 + 278706231.

It is an arithmetic number, because the mean of its divisors is an integer number (278706231).

Almost surely, 2^557412461 is an apocalyptic number.

It is an amenable number.

557412461 is a deficient number, since it is larger than the sum of its proper divisors (1).

557412461 is an equidigital number, since it uses as much as digits as its factorization.

557412461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 35.

The square root of 557412461 is about 23609.5840920589. The cubic root of 557412461 is about 822.9855774109.

The spelling of 557412461 in words is "five hundred fifty-seven million, four hundred twelve thousand, four hundred sixty-one".