3125722783 has 4 divisors (see below), whose sum is σ = 3129587280. Its totient is φ = 3121858288.

The previous prime is 3125722763. The next prime is 3125722819. The reversal of 3125722783 is 3872275213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3125722783 - 2²⁵ = 3092168351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125722763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1931035 + ... + 1932652.

It is an arithmetic number, because the mean of its divisors is an integer number (782396820).

Almost surely, 2^3125722783 is an apocalyptic number.

3125722783 is a deficient number, since it is larger than the sum of its proper divisors (3864497).

3125722783 is an equidigital number, since it uses as much as digits as its factorization.

3125722783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3864496.

The product of its digits is 141120, while the sum is 40.

The square root of 3125722783 is about 55908.1638314120. The cubic root of 3125722783 is about 1462.1215767008.

Adding to 3125722783 its reverse (3872275213), we get a palindrome (6997997996).

The spelling of 3125722783 in words is "three billion, one hundred twenty-five million, seven hundred twenty-two thousand, seven hundred eighty-three".