2575060661 has 2 divisors, whose sum is σ = 2575060662. Its totient is φ = 2575060660.

The previous prime is 2575060651. The next prime is 2575060673. The reversal of 2575060661 is 1660605752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2449755025 + 125305636 = 49495^2 + 11194^2 .

It is a cyclic number.

It is not a de Polignac number, because 2575060661 - 2¹⁸ = 2574798517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2575060651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1287530330 + 1287530331.

It is an arithmetic number, because the mean of its divisors is an integer number (1287530331).

Almost surely, 2^2575060661 is an apocalyptic number.

It is an amenable number.

2575060661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2575060661 is an equidigital number, since it uses as much as digits as its factorization.

2575060661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 2575060661 is about 50745.0555325344. The cubic root of 2575060661 is about 1370.6581562484.

The spelling of 2575060661 in words is "two billion, five hundred seventy-five million, sixty thousand, six hundred sixty-one".