1504620225 has 48 divisors (see below), whose sum is σ = 2768126400. Its totient is φ = 801279360.

The previous prime is 1504620217. The next prime is 1504620251. The reversal of 1504620225 is 5220264051.

1504620225 is a `hidden beast` number, since 15 + 0 + 4 + 620 + 2 + 25 = 666.

It is not a de Polignac number, because 1504620225 - 2³ = 1504620217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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, 642106 + ... + 644444.

It is an arithmetic number, because the mean of its divisors is an integer number (57669300).

Almost surely, 2^1504620225 is an apocalyptic number.

1504620225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1504620225 is a deficient number, since it is larger than the sum of its proper divisors (1263506175).

1504620225 is a wasteful number, since it uses less digits than its factorization.

1504620225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311 (or 3300 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1504620225 is about 38789.4344506336. The cubic root of 1504620225 is about 1145.8883351082. Note that the first 3 decimals are identical.

Adding to 1504620225 its reverse (5220264051), we get a palindrome (6724884276).

The spelling of 1504620225 in words is "one billion, five hundred four million, six hundred twenty thousand, two hundred twenty-five".