2526252661 has 2 divisors, whose sum is σ = 2526252662. Its totient is φ = 2526252660.

The previous prime is 2526252643. The next prime is 2526252667. The reversal of 2526252661 is 1662526252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2144245636 + 382007025 = 46306^2 + 19545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2526252661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2526252661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2526252667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1263126330 + 1263126331.

It is an arithmetic number, because the mean of its divisors is an integer number (1263126331).

Almost surely, 2^2526252661 is an apocalyptic number.

It is an amenable number.

2526252661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2526252661 is an equidigital number, since it uses as much as digits as its factorization.

2526252661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 37.

The square root of 2526252661 is about 50261.8410028920. The cubic root of 2526252661 is about 1361.9429878247.

The spelling of 2526252661 in words is "two billion, five hundred twenty-six million, two hundred fifty-two thousand, six hundred sixty-one".