2505503057 has 2 divisors, whose sum is σ = 2505503058. Its totient is φ = 2505503056.

The previous prime is 2505503051. The next prime is 2505503083. The reversal of 2505503057 is 7503055052.

2505503057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1676984401 + 828518656 = 40951^2 + 28784^2 .

It is a cyclic number.

It is not a de Polignac number, because 2505503057 - 2⁴ = 2505503041 is a prime.

It is not a weakly prime, because it can be changed into another prime (2505503051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252751528 + 1252751529.

It is an arithmetic number, because the mean of its divisors is an integer number (1252751529).

Almost surely, 2^2505503057 is an apocalyptic number.

It is an amenable number.

2505503057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505503057 is an equidigital number, since it uses as much as digits as its factorization.

2505503057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26250, while the sum is 32.

The square root of 2505503057 is about 50055.0003196484. Note that the first 3 decimals coincide. The cubic root of 2505503057 is about 1358.2039181591.

Subtracting from 2505503057 its sum of digits (32), we obtain a square (2505503025 = 50055²).

The spelling of 2505503057 in words is "two billion, five hundred five million, five hundred three thousand, fifty-seven".