2505452947 has 2 divisors, whose sum is σ = 2505452948. Its totient is φ = 2505452946.

The previous prime is 2505452933. The next prime is 2505452959. The reversal of 2505452947 is 7492545052.

2505452947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2505452947 - 2¹⁵ = 2505420179 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (2505450947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252726473 + 1252726474.

It is an arithmetic number, because the mean of its divisors is an integer number (1252726474).

Almost surely, 2^2505452947 is an apocalyptic number.

2505452947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505452947 is an equidigital number, since it uses as much as digits as its factorization.

2505452947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504000, while the sum is 43.

The square root of 2505452947 is about 50054.4997677531. The cubic root of 2505452947 is about 1358.1948634170.

Adding to 2505452947 its reverse (7492545052), we get a palindrome (9997997999).

The spelling of 2505452947 in words is "two billion, five hundred five million, four hundred fifty-two thousand, nine hundred forty-seven".