2545972153 has 2 divisors, whose sum is σ = 2545972154. Its totient is φ = 2545972152.

The previous prime is 2545972111. The next prime is 2545972157. The reversal of 2545972153 is 3512795452.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2364585129 + 181387024 = 48627^2 + 13468^2 .

It is a cyclic number.

It is not a de Polignac number, because 2545972153 - 2⁹ = 2545971641 is a prime.

It is not a weakly prime, because it can be changed into another prime (2545972157) 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, 1272986076 + 1272986077.

It is an arithmetic number, because the mean of its divisors is an integer number (1272986077).

Almost surely, 2^2545972153 is an apocalyptic number.

It is an amenable number.

2545972153 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545972153 is an equidigital number, since it uses as much as digits as its factorization.

2545972153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378000, while the sum is 43.

The square root of 2545972153 is about 50457.6273025199. The cubic root of 2545972153 is about 1365.4775043609.

The spelling of 2545972153 in words is "two billion, five hundred forty-five million, nine hundred seventy-two thousand, one hundred fifty-three".