2545273433 has 2 divisors, whose sum is σ = 2545273434. Its totient is φ = 2545273432.

The previous prime is 2545273411. The next prime is 2545273447. The reversal of 2545273433 is 3343725452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1995230224 + 550043209 = 44668^2 + 23453^2 .

It is a cyclic number.

It is not a de Polignac number, because 2545273433 - 2⁶ = 2545273369 is a prime.

It is not a weakly prime, because it can be changed into another prime (2545273733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272636716 + 1272636717.

It is an arithmetic number, because the mean of its divisors is an integer number (1272636717).

Almost surely, 2^2545273433 is an apocalyptic number.

It is an amenable number.

2545273433 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545273433 is an equidigital number, since it uses as much as digits as its factorization.

2545273433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 38.

The square root of 2545273433 is about 50450.7029980753. The cubic root of 2545273433 is about 1365.3525784416.

Adding to 2545273433 its reverse (3343725452), we get a palindrome (5888998885).

The spelling of 2545273433 in words is "two billion, five hundred forty-five million, two hundred seventy-three thousand, four hundred thirty-three".