2545430834 has 8 divisors (see below), whose sum is σ = 3827216748. Its totient is φ = 1269691920.

The previous prime is 2545430831. The next prime is 2545430843. The reversal of 2545430834 is 4380345452.

It can be written as a sum of positive squares in 2 ways, for example, as 2015740609 + 529690225 = 44897^2 + 23015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2545430831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1510697 + ... + 1512380.

Almost surely, 2^2545430834 is an apocalyptic number.

2545430834 is a deficient number, since it is larger than the sum of its proper divisors (1281785914).

2545430834 is a wasteful number, since it uses less digits than its factorization.

2545430834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023500.

The product of its (nonzero) digits is 230400, while the sum is 38.

The square root of 2545430834 is about 50452.2629224894. The cubic root of 2545430834 is about 1365.3807225601.

The spelling of 2545430834 in words is "two billion, five hundred forty-five million, four hundred thirty thousand, eight hundred thirty-four".