2505011273 has 2 divisors, whose sum is σ = 2505011274. Its totient is φ = 2505011272.

The previous prime is 2505011263. The next prime is 2505011287. The reversal of 2505011273 is 3721105052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2469394249 + 35617024 = 49693^2 + 5968^2 .

It is a cyclic number.

It is not a de Polignac number, because 2505011273 - 2¹⁴ = 2504994889 is a prime.

It is not a weakly prime, because it can be changed into another prime (2505011263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252505636 + 1252505637.

It is an arithmetic number, because the mean of its divisors is an integer number (1252505637).

Almost surely, 2^2505011273 is an apocalyptic number.

It is an amenable number.

2505011273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505011273 is an equidigital number, since it uses as much as digits as its factorization.

2505011273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 2505011273 is about 50050.0876422809. The cubic root of 2505011273 is about 1358.1150488919.

The spelling of 2505011273 in words is "two billion, five hundred five million, eleven thousand, two hundred seventy-three".