2012570557 has 2 divisors, whose sum is σ = 2012570558. Its totient is φ = 2012570556.

The previous prime is 2012570543. The next prime is 2012570579. The reversal of 2012570557 is 7550752102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1792760281 + 219810276 = 42341^2 + 14826^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012570557 - 2⁷ = 2012570429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012540557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006285278 + 1006285279.

It is an arithmetic number, because the mean of its divisors is an integer number (1006285279).

Almost surely, 2^2012570557 is an apocalyptic number.

It is an amenable number.

2012570557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012570557 is an equidigital number, since it uses as much as digits as its factorization.

2012570557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 2012570557 is about 44861.6825030003. The cubic root of 2012570557 is about 1262.5551903723. Note that the first 3 decimals are identical.

The spelling of 2012570557 in words is "two billion, twelve million, five hundred seventy thousand, five hundred fifty-seven".