625550143 has 2 divisors, whose sum is σ = 625550144. Its totient is φ = 625550142.

The previous prime is 625550089. The next prime is 625550171. The reversal of 625550143 is 341055526.

625550143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 625550143 - 2¹³ = 625541951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625550183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312775071 + 312775072.

It is an arithmetic number, because the mean of its divisors is an integer number (312775072).

Almost surely, 2^625550143 is an apocalyptic number.

625550143 is a deficient number, since it is larger than the sum of its proper divisors (1).

625550143 is an equidigital number, since it uses as much as digits as its factorization.

625550143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 625550143 is about 25011.0004398065. Note that the first 3 decimals coincide. The cubic root of 625550143 is about 855.2387614484.

The spelling of 625550143 in words is "six hundred twenty-five million, five hundred fifty thousand, one hundred forty-three".