2547242953 has 2 divisors, whose sum is σ = 2547242954. Its totient is φ = 2547242952.

The previous prime is 2547242881. The next prime is 2547242977. The reversal of 2547242953 is 3592427452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2482729929 + 64513024 = 49827^2 + 8032^2 .

It is a cyclic number.

It is not a de Polignac number, because 2547242953 - 2¹⁷ = 2547111881 is a prime.

It is not a weakly prime, because it can be changed into another prime (2547242153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273621476 + 1273621477.

It is an arithmetic number, because the mean of its divisors is an integer number (1273621477).

Almost surely, 2^2547242953 is an apocalyptic number.

It is an amenable number.

2547242953 is a deficient number, since it is larger than the sum of its proper divisors (1).

2547242953 is an equidigital number, since it uses as much as digits as its factorization.

2547242953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 43.

The square root of 2547242953 is about 50470.2184758497. The cubic root of 2547242953 is about 1365.7046553373.

The spelling of 2547242953 in words is "two billion, five hundred forty-seven million, two hundred forty-two thousand, nine hundred fifty-three".