1004525520 has 40 divisors (see below), whose sum is σ = 3114029856. Its totient is φ = 267873408.

The previous prime is 1004525513. The next prime is 1004525531. The reversal of 1004525520 is 255254001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2092522 + ... + 2093001.

Almost surely, 2^1004525520 is an apocalyptic number.

1004525520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004525520 is an abundant number, since it is smaller than the sum of its proper divisors (2109504336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1004525520 is a wasteful number, since it uses less digits than its factorization.

1004525520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185539 (or 4185533 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 1004525520 is about 31694.2505827161. The cubic root of 1004525520 is about 1001.5062367783.

Adding to 1004525520 its reverse (255254001), we get a palindrome (1259779521).

The spelling of 1004525520 in words is "one billion, four million, five hundred twenty-five thousand, five hundred twenty".