2545477803 has 24 divisors (see below), whose sum is σ = 4014506496. Its totient is φ = 1541386800.

The previous prime is 2545477801. The next prime is 2545477817. The reversal of 2545477803 is 3087745452.

2545477803 is a `hidden beast` number, since 25 + 4 + 547 + 7 + 80 + 3 = 666.

It is not a de Polignac number, because 2545477803 - 2¹ = 2545477801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2545477801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111426 + ... + 132312.

It is an arithmetic number, because the mean of its divisors is an integer number (167271104).

Almost surely, 2^2545477803 is an apocalyptic number.

2545477803 is a deficient number, since it is larger than the sum of its proper divisors (1469028693).

2545477803 is a wasteful number, since it uses less digits than its factorization.

2545477803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22135 (or 22132 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 45.

The square root of 2545477803 is about 50452.7283999587. The cubic root of 2545477803 is about 1365.3891206371.

The spelling of 2545477803 in words is "two billion, five hundred forty-five million, four hundred seventy-seven thousand, eight hundred three".