610561057 has 2 divisors, whose sum is σ = 610561058. Its totient is φ = 610561056.

The previous prime is 610561019. The next prime is 610561121. The reversal of 610561057 is 750165016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 508773136 + 101787921 = 22556^2 + 10089^2 .

It is a cyclic number.

It is not a de Polignac number, because 610561057 - 2¹⁹ = 610036769 is a prime.

It is not a weakly prime, because it can be changed into another prime (610531057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305280528 + 305280529.

It is an arithmetic number, because the mean of its divisors is an integer number (305280529).

Almost surely, 2^610561057 is an apocalyptic number.

It is an amenable number.

610561057 is a deficient number, since it is larger than the sum of its proper divisors (1).

610561057 is an equidigital number, since it uses as much as digits as its factorization.

610561057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 610561057 is about 24709.5337268836. The cubic root of 610561057 is about 848.3525446334.

The spelling of 610561057 in words is "six hundred ten million, five hundred sixty-one thousand, fifty-seven".