2005574057 has 2 divisors, whose sum is σ = 2005574058. Its totient is φ = 2005574056.

The previous prime is 2005574023. The next prime is 2005574107. The reversal of 2005574057 is 7504755002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1785823081 + 219750976 = 42259^2 + 14824^2 .

It is a cyclic number.

It is not a de Polignac number, because 2005574057 - 2¹² = 2005569961 is a prime.

It is a super-2 number, since 2×2005574057² = 8044654596222878498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2005574017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002787028 + 1002787029.

It is an arithmetic number, because the mean of its divisors is an integer number (1002787029).

Almost surely, 2^2005574057 is an apocalyptic number.

It is an amenable number.

2005574057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005574057 is an equidigital number, since it uses as much as digits as its factorization.

2005574057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 2005574057 is about 44783.6360404110. The cubic root of 2005574057 is about 1261.0904428142.

The spelling of 2005574057 in words is "two billion, five million, five hundred seventy-four thousand, fifty-seven".