2545504330 has 16 divisors (see below), whose sum is σ = 4582716264. Its totient is φ = 1018022080.

The previous prime is 2545504303. The next prime is 2545504337. The reversal of 2545504330 is 334055452.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1930811481 + 614692849 = 43941^2 + 24793^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2545504292 and 2545504301.

It is not an unprimeable number, because it can be changed into a prime (2545504337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47400 + ... + 85660.

Almost surely, 2^2545504330 is an apocalyptic number.

2545504330 is a deficient number, since it is larger than the sum of its proper divisors (2037211934).

2545504330 is a wasteful number, since it uses less digits than its factorization.

2545504330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44921.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 2545504330 is about 50452.9912889216. The cubic root of 2545504330 is about 1365.3938636303.

Adding to 2545504330 its reverse (334055452), we get a palindrome (2879559782).

The spelling of 2545504330 in words is "two billion, five hundred forty-five million, five hundred four thousand, three hundred thirty".