2545561432 has 16 divisors (see below), whose sum is σ = 4980446640. Its totient is φ = 1217442336.

The previous prime is 2545561411. The next prime is 2545561441. The reversal of 2545561432 is 2341655452.

It is a junction number, because it is equal to n+sod(n) for n = 2545561391 and 2545561400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6917103 + ... + 6917470.

It is an arithmetic number, because the mean of its divisors is an integer number (311277915).

Almost surely, 2^2545561432 is an apocalyptic number.

It is an amenable number.

2545561432 is a deficient number, since it is larger than the sum of its proper divisors (2434885208).

2545561432 is a wasteful number, since it uses less digits than its factorization.

2545561432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13834602 (or 13834598 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The square root of 2545561432 is about 50453.5571788551. The cubic root of 2545561432 is about 1365.4040732819.

The spelling of 2545561432 in words is "two billion, five hundred forty-five million, five hundred sixty-one thousand, four hundred thirty-two".