2505211301 has 2 divisors, whose sum is σ = 2505211302. Its totient is φ = 2505211300.

The previous prime is 2505211297. The next prime is 2505211349. The reversal of 2505211301 is 1031125052.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1568239201 + 936972100 = 39601^2 + 30610^2 .

It is a cyclic number.

It is not a de Polignac number, because 2505211301 - 2² = 2505211297 is a prime.

It is a super-2 number, since 2×2505211301² = 12552167325316225202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2505211361) 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, 1252605650 + 1252605651.

It is an arithmetic number, because the mean of its divisors is an integer number (1252605651).

Almost surely, 2^2505211301 is an apocalyptic number.

It is an amenable number.

2505211301 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505211301 is an equidigital number, since it uses as much as digits as its factorization.

2505211301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 2505211301 is about 50052.0858806104. The cubic root of 2505211301 is about 1358.1511969403.

Adding to 2505211301 its reverse (1031125052), we get a palindrome (3536336353).

The spelling of 2505211301 in words is "two billion, five hundred five million, two hundred eleven thousand, three hundred one".