625573 has 4 divisors (see below), whose sum is σ = 673708. Its totient is φ = 577440.

The previous prime is 625543. The next prime is 625589. The reversal of 625573 is 375526.

625573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 375526 = 2 ⋅187763.

It can be written as a sum of positive squares in 2 ways, for example, as 263169 + 362404 = 513^2 + 602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-625573 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 (625543) 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, 24048 + ... + 24073.

It is an arithmetic number, because the mean of its divisors is an integer number (168427).

2⁶²⁵⁵⁷³ is an apocalyptic number.

It is an amenable number.

625573 is a deficient number, since it is larger than the sum of its proper divisors (48135).

625573 is a wasteful number, since it uses less digits than its factorization.

625573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48134.

The product of its digits is 6300, while the sum is 28.

The square root of 625573 is about 790.9317290386. The cubic root of 625573 is about 85.5249177855.

Subtracting from 625573 its reverse (375526), we obtain a cube (250047 = 63³).

It can be divided in two parts, 6255 and 73, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 625573 in words is "six hundred twenty-five thousand, five hundred seventy-three".