2505420941 has 2 divisors, whose sum is σ = 2505420942. Its totient is φ = 2505420940.

The previous prime is 2505420919. The next prime is 2505420991. The reversal of 2505420941 is 1490245052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2301216841 + 204204100 = 47971^2 + 14290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2505420941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2505420898 and 2505420907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2505420901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252710470 + 1252710471.

It is an arithmetic number, because the mean of its divisors is an integer number (1252710471).

Almost surely, 2^2505420941 is an apocalyptic number.

It is an amenable number.

2505420941 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505420941 is an equidigital number, since it uses as much as digits as its factorization.

2505420941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 2505420941 is about 50054.1800552162. The cubic root of 2505420941 is about 1358.1890799558.

Adding to 2505420941 its reverse (1490245052), we get a palindrome (3995665993).

The spelling of 2505420941 in words is "two billion, five hundred five million, four hundred twenty thousand, nine hundred forty-one".