625212 has 48 divisors (see below), whose sum is σ = 1854720. Its totient is φ = 178416.

The previous prime is 625199. The next prime is 625213. The reversal of 625212 is 212526.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 625212.

It is not an unprimeable number, because it can be changed into a prime (625213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343 + ... + 1169.

It is an arithmetic number, because the mean of its divisors is an integer number (38640).

2⁶²⁵²¹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (927360).

625212 is an abundant number, since it is smaller than the sum of its proper divisors (1229508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625212 is a wasteful number, since it uses less digits than its factorization.

625212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847 (or 839 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 625212 is about 790.7034842468. The cubic root of 625212 is about 85.5084633050.

Adding to 625212 its reverse (212526), we get a palindrome (837738).

Subtracting from 625212 its reverse (212526), we obtain a triangular number (412686 = T₉₀₈).

The spelling of 625212 in words is "six hundred twenty-five thousand, two hundred twelve".