2002545783 has 24 divisors (see below), whose sum is σ = 3395139488. Its totient is φ = 1113383232.

The previous prime is 2002545763. The next prime is 2002545817. The reversal of 2002545783 is 3875452002.

It is not a de Polignac number, because 2002545783 - 2⁵ = 2002545751 is a prime.

It is a super-2 number, since 2×2002545783² = 8020379226022166178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002545703) 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, 427216 + ... + 431877.

Almost surely, 2^2002545783 is an apocalyptic number.

2002545783 is a deficient number, since it is larger than the sum of its proper divisors (1392593705).

2002545783 is a wasteful number, since it uses less digits than its factorization.

2002545783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859143 (or 859140 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 2002545783 is about 44749.8132174873. The cubic root of 2002545783 is about 1260.4554041657.

Adding to 2002545783 its reverse (3875452002), we get a palindrome (5877997785).

The spelling of 2002545783 in words is "two billion, two million, five hundred forty-five thousand, seven hundred eighty-three".