2530557823 has 2 divisors, whose sum is σ = 2530557824. Its totient is φ = 2530557822.

The previous prime is 2530557791. The next prime is 2530557833. The reversal of 2530557823 is 3287550352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2530557823 - 2⁵ = 2530557791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2530557833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265278911 + 1265278912.

It is an arithmetic number, because the mean of its divisors is an integer number (1265278912).

Almost surely, 2^2530557823 is an apocalyptic number.

2530557823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530557823 is an equidigital number, since it uses as much as digits as its factorization.

2530557823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252000, while the sum is 40.

The square root of 2530557823 is about 50304.6501130860. The cubic root of 2530557823 is about 1362.7162091925.

The spelling of 2530557823 in words is "two billion, five hundred thirty million, five hundred fifty-seven thousand, eight hundred twenty-three".