1526225 has 12 divisors (see below), whose sum is σ = 1939980. Its totient is φ = 1190400.

The previous prime is 1526191. The next prime is 1526227. The reversal of 1526225 is 5226251.

1526225 = 104² + 105² + ... + 178².

It can be written as a sum of positive squares in 6 ways, for example, as 452929 + 1073296 = 673^2 + 1036^2 .

It is not a de Polignac number, because 1526225 - 2⁸ = 1525969 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1526225.

It is not an unprimeable number, because it can be changed into a prime (1526227) 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 11 ways as a sum of consecutive naturals, for example, 281 + ... + 1769.

It is an arithmetic number, because the mean of its divisors is an integer number (161665).

2^1526225 is an apocalyptic number.

It is an amenable number.

1526225 is a deficient number, since it is larger than the sum of its proper divisors (413755).

1526225 is a wasteful number, since it uses less digits than its factorization.

1526225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540 (or 1535 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 1526225 is about 1235.4047919609. The cubic root of 1526225 is about 115.1346878129.

The spelling of 1526225 in words is "one million, five hundred twenty-six thousand, two hundred twenty-five".