1523235225 has 48 divisors (see below), whose sum is σ = 2712723200. Its totient is φ = 751705920.

The previous prime is 1523235199. The next prime is 1523235227. The reversal of 1523235225 is 5225323251.

It is not a de Polignac number, because 1523235225 - 2⁷ = 1523235097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1523235192 and 1523235201.

It is not an unprimeable number, because it can be changed into a prime (1523235227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48846 + ... + 73704.

Almost surely, 2^1523235225 is an apocalyptic number.

1523235225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1523235225 is a deficient number, since it is larger than the sum of its proper divisors (1189487975).

1523235225 is a wasteful number, since it uses less digits than its factorization.

1523235225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24934 (or 24929 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 1523235225 is about 39028.6462101877. The cubic root of 1523235225 is about 1150.5945822604.

Adding to 1523235225 its reverse (5225323251), we get a palindrome (6748558476).

The spelling of 1523235225 in words is "one billion, five hundred twenty-three million, two hundred thirty-five thousand, two hundred twenty-five".