7212325 has 6 divisors (see below), whose sum is σ = 8943314. Its totient is φ = 5769840.

The previous prime is 7212323. The next prime is 7212341. The reversal of 7212325 is 5232127.

It can be written as a sum of positive squares in 3 ways, for example, as 248004 + 6964321 = 498^2 + 2639^2 .

It is not a de Polignac number, because 7212325 - 2¹ = 7212323 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

7212325 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7212296 and 7212305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7212323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144222 + ... + 144271.

Almost surely, 2^7212325 is an apocalyptic number.

It is an amenable number.

7212325 is a deficient number, since it is larger than the sum of its proper divisors (1730989).

7212325 is a wasteful number, since it uses less digits than its factorization.

7212325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288503 (or 288498 counting only the distinct ones).

The product of its digits is 840, while the sum is 22.

The square root of 7212325 is about 2685.5772191468. The cubic root of 7212325 is about 193.2079961170.

The spelling of 7212325 in words is "seven million, two hundred twelve thousand, three hundred twenty-five".