1523225 has 24 divisors (see below), whose sum is σ = 2142720. Its totient is φ = 1064000.

The previous prime is 1523219. The next prime is 1523233. The reversal of 1523225 is 5223251.

It is not a de Polignac number, because 1523225 - 2⁶ = 1523161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1523197 and 1523206.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7880 + ... + 8070.

It is an arithmetic number, because the mean of its divisors is an integer number (89280).

2^1523225 is an apocalyptic number.

It is an amenable number.

1523225 is a deficient number, since it is larger than the sum of its proper divisors (619495).

1523225 is a wasteful number, since it uses less digits than its factorization.

1523225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 236 counting only the distinct ones).

The product of its digits is 600, while the sum is 20.

The square root of 1523225 is about 1234.1900177849. The cubic root of 1523225 is about 115.0592007728.

Adding to 1523225 its reverse (5223251), we get a palindrome (6746476).

The spelling of 1523225 in words is "one million, five hundred twenty-three thousand, two hundred twenty-five".