2505453389 has 2 divisors, whose sum is σ = 2505453390. Its totient is φ = 2505453388.

The previous prime is 2505453383. The next prime is 2505453407. The reversal of 2505453389 is 9833545052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1669376164 + 836077225 = 40858^2 + 28915^2 .

It is a cyclic number.

It is not a de Polignac number, because 2505453389 - 2¹² = 2505449293 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2505453383) 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, 1252726694 + 1252726695.

It is an arithmetic number, because the mean of its divisors is an integer number (1252726695).

Almost surely, 2^2505453389 is an apocalyptic number.

It is an amenable number.

2505453389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505453389 is an equidigital number, since it uses as much as digits as its factorization.

2505453389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 44.

The square root of 2505453389 is about 50054.5041829404. The cubic root of 2505453389 is about 1358.1949432857.

The spelling of 2505453389 in words is "two billion, five hundred five million, four hundred fifty-three thousand, three hundred eighty-nine".