625722943 has 4 divisors (see below), whose sum is σ = 627148720. Its totient is φ = 624297168.

The previous prime is 625722919. The next prime is 625722989. The reversal of 625722943 is 349227526.

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 625722943 - 2⁹ = 625722431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 625722896 and 625722905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625722343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712230 + ... + 713107.

It is an arithmetic number, because the mean of its divisors is an integer number (156787180).

Almost surely, 2^625722943 is an apocalyptic number.

625722943 is a deficient number, since it is larger than the sum of its proper divisors (1425777).

625722943 is a wasteful number, since it uses less digits than its factorization.

625722943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425776.

The product of its digits is 181440, while the sum is 40.

The square root of 625722943 is about 25014.4546812438. The cubic root of 625722943 is about 855.3175036850.

The spelling of 625722943 in words is "six hundred twenty-five million, seven hundred twenty-two thousand, nine hundred forty-three".