7523225 has 6 divisors (see below), whose sum is σ = 9328830. Its totient is φ = 6018560.

The previous prime is 7523189. The next prime is 7523239. The reversal of 7523225 is 5223257.

It can be written as a sum of positive squares in 3 ways, for example, as 2383936 + 5139289 = 1544^2 + 2267^2 .

It is not a de Polignac number, because 7523225 - 2¹⁰ = 7522201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7523194 and 7523203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150440 + ... + 150489.

It is an arithmetic number, because the mean of its divisors is an integer number (1554805).

Almost surely, 2^7523225 is an apocalyptic number.

It is an amenable number.

7523225 is a deficient number, since it is larger than the sum of its proper divisors (1805605).

7523225 is a wasteful number, since it uses less digits than its factorization.

7523225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300939 (or 300934 counting only the distinct ones).

The product of its digits is 4200, while the sum is 26.

The square root of 7523225 is about 2742.8497953771. The cubic root of 7523225 is about 195.9452245241.

Subtracting from 7523225 its reverse (5223257), we obtain a cube (2299968 = 132³).

It can be divided in two parts, 75232 and 25, that added together give a palindrome (75257).

The spelling of 7523225 in words is "seven million, five hundred twenty-three thousand, two hundred twenty-five".