625973143 has 2 divisors, whose sum is σ = 625973144. Its totient is φ = 625973142.

The previous prime is 625973137. The next prime is 625973189. The reversal of 625973143 is 341379526.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 625973143 - 2⁹ = 625972631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 625973096 and 625973105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625973113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312986571 + 312986572.

It is an arithmetic number, because the mean of its divisors is an integer number (312986572).

Almost surely, 2^625973143 is an apocalyptic number.

625973143 is a deficient number, since it is larger than the sum of its proper divisors (1).

625973143 is an equidigital number, since it uses as much as digits as its factorization.

625973143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 40.

The square root of 625973143 is about 25019.4552898339. The cubic root of 625973143 is about 855.4314901945.

The spelling of 625973143 in words is "six hundred twenty-five million, nine hundred seventy-three thousand, one hundred forty-three".