2505720053 has 2 divisors, whose sum is σ = 2505720054. Its totient is φ = 2505720052.

The previous prime is 2505720011. The next prime is 2505720101. The reversal of 2505720053 is 3500275052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2203551364 + 302168689 = 46942^2 + 17383^2 .

It is a cyclic number.

It is not a de Polignac number, because 2505720053 - 2¹⁶ = 2505654517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2505719998 and 2505720025.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2505720653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252860026 + 1252860027.

It is an arithmetic number, because the mean of its divisors is an integer number (1252860027).

Almost surely, 2^2505720053 is an apocalyptic number.

It is an amenable number.

2505720053 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505720053 is an equidigital number, since it uses as much as digits as its factorization.

2505720053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 2505720053 is about 50057.1678483711. The cubic root of 2505720053 is about 1358.2431273588.

The spelling of 2505720053 in words is "two billion, five hundred five million, seven hundred twenty thousand, fifty-three".