5261745785 has 16 divisors (see below), whose sum is σ = 6523825152. Its totient is φ = 4069828800.

The previous prime is 5261745733. The next prime is 5261745823. The reversal of 5261745785 is 5875471625.

It is not a de Polignac number, because 5261745785 - 2⁶ = 5261745721 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157940 + ... + 188330.

It is an arithmetic number, because the mean of its divisors is an integer number (407739072).

Almost surely, 2^5261745785 is an apocalyptic number.

It is an amenable number.

5261745785 is a deficient number, since it is larger than the sum of its proper divisors (1262079367).

5261745785 is a wasteful number, since it uses less digits than its factorization.

5261745785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31544.

The product of its digits is 2352000, while the sum is 50.

The square root of 5261745785 is about 72537.8920633899. The cubic root of 5261745785 is about 1739.3085050103.

The spelling of 5261745785 in words is "five billion, two hundred sixty-one million, seven hundred forty-five thousand, seven hundred eighty-five".