1503252828 has 72 divisors (see below), whose sum is σ = 4737532800. Its totient is φ = 390454560.

The previous prime is 1503252797. The next prime is 1503252853. The reversal of 1503252828 is 8282523051.

1503252828 is a `hidden beast` number, since 1 + 50 + 325 + 282 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1503252792 and 1503252801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 268378 + ... + 273921.

Almost surely, 2^1503252828 is an apocalyptic number.

1503252828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1503252828 is an abundant number, since it is smaller than the sum of its proper divisors (3234279972).

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

1503252828 is a wasteful number, since it uses less digits than its factorization.

1503252828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542327 (or 542322 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 1503252828 is about 38771.8045491824. The cubic root of 1503252828 is about 1145.5411025981.

Adding to 1503252828 its reverse (8282523051), we get a palindrome (9785775879).

The spelling of 1503252828 in words is "one billion, five hundred three million, two hundred fifty-two thousand, eight hundred twenty-eight".