1504530225 has 144 divisors (see below), whose sum is σ = 3067494144. Its totient is φ = 698544000.

The previous prime is 1504530191. The next prime is 1504530227. The reversal of 1504530225 is 5220354051.

It is a happy number.

It is not a de Polignac number, because 1504530225 - 2⁹ = 1504529713 is a prime.

It is a super-2 number, since 2×1504530225² = 4527222395877101250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1504530227) 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 143 ways as a sum of consecutive naturals, for example, 7130370 + ... + 7130580.

Almost surely, 2^1504530225 is an apocalyptic number.

1504530225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1504530225 is an abundant number, since it is smaller than the sum of its proper divisors (1562963919).

1504530225 is a wasteful number, since it uses less digits than its factorization.

1504530225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1504530225 is about 38788.2743235633. The cubic root of 1504530225 is about 1145.8654872593.

Adding to 1504530225 its reverse (5220354051), we get a palindrome (6724884276).

The spelling of 1504530225 in words is "one billion, five hundred four million, five hundred thirty thousand, two hundred twenty-five".