625543 has 2 divisors, whose sum is σ = 625544. Its totient is φ = 625542.

The previous prime is 625529. The next prime is 625589. The reversal of 625543 is 345526.

625543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 625543 - 2¹⁷ = 494471 is a prime.

It is a d-powerful number, because it can be written as 6⁵ + 2¹³ + 5 + 5⁷ + 4 + 3¹² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312771 + 312772.

It is an arithmetic number, because the mean of its divisors is an integer number (312772).

2⁶²⁵⁵⁴³ is an apocalyptic number.

625543 is a deficient number, since it is larger than the sum of its proper divisors (1).

625543 is an equidigital number, since it uses as much as digits as its factorization.

625543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 25.

The square root of 625543 is about 790.9127638368. The cubic root of 625543 is about 85.5235506184.

The spelling of 625543 in words is "six hundred twenty-five thousand, five hundred forty-three".