2545273434 has 32 divisors (see below), whose sum is σ = 5644370880. Its totient is φ = 758649600.

The previous prime is 2545273433. The next prime is 2545273447. The reversal of 2545273434 is 4343725452.

It is a junction number, because it is equal to n+sod(n) for n = 2545273392 and 2545273401.

It is not an unprimeable number, because it can be changed into a prime (2545273433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312079 + ... + 320130.

It is an arithmetic number, because the mean of its divisors is an integer number (176386590).

Almost surely, 2^2545273434 is an apocalyptic number.

2545273434 is an abundant number, since it is smaller than the sum of its proper divisors (3099097446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2545273434 is a wasteful number, since it uses less digits than its factorization.

2545273434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632286.

The product of its digits is 403200, while the sum is 39.

The square root of 2545273434 is about 50450.7030079859. The cubic root of 2545273434 is about 1365.3525786204.

Adding to 2545273434 its reverse (4343725452), we get a palindrome (6888998886).

The spelling of 2545273434 in words is "two billion, five hundred forty-five million, two hundred seventy-three thousand, four hundred thirty-four".