2545304434 has 16 divisors (see below), whose sum is σ = 3889914840. Its totient is φ = 1248889600.

The previous prime is 2545304431. The next prime is 2545304441. The reversal of 2545304434 is 4344035452.

It can be written as a sum of positive squares in 4 ways, for example, as 1685348809 + 859955625 = 41053^2 + 29325^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2545304434.

It is not an unprimeable number, because it can be changed into a prime (2545304431) 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 in 7 ways as a sum of consecutive naturals, for example, 32929 + ... + 78580.

Almost surely, 2^2545304434 is an apocalyptic number.

2545304434 is a deficient number, since it is larger than the sum of its proper divisors (1344610406).

2545304434 is a wasteful number, since it uses less digits than its factorization.

2545304434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111725.

The product of its (nonzero) digits is 115200, while the sum is 34.

The square root of 2545304434 is about 50451.0102376553. The cubic root of 2545304434 is about 1365.3581216736.

Adding to 2545304434 its reverse (4344035452), we get a palindrome (6889339886).

The spelling of 2545304434 in words is "two billion, five hundred forty-five million, three hundred four thousand, four hundred thirty-four".