2545474434 has 8 divisors (see below), whose sum is σ = 5090948880. Its totient is φ = 848491476.

The previous prime is 2545474411. The next prime is 2545474487. The reversal of 2545474434 is 4344745452.

It is a happy number.

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

2545474434 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 212122864 + ... + 212122875.

It is an arithmetic number, because the mean of its divisors is an integer number (636368610).

Almost surely, 2^2545474434 is an apocalyptic number.

2545474434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2545474434 is a wasteful number, since it uses less digits than its factorization.

2545474434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424245744.

The product of its digits is 1075200, while the sum is 42.

The square root of 2545474434 is about 50452.6950122588. The cubic root of 2545474434 is about 1365.3885182619.

The spelling of 2545474434 in words is "two billion, five hundred forty-five million, four hundred seventy-four thousand, four hundred thirty-four".