1530533025 has 36 divisors (see below), whose sum is σ = 3132980032. Its totient is φ = 699671520.

The previous prime is 1530533003. The next prime is 1530533033. The reversal of 1530533025 is 5203350351.

1530533025 is a `hidden beast` number, since 1 + 5 + 305 + 330 + 25 = 666.

It is not a de Polignac number, because 1530533025 - 2⁹ = 1530532513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1530533025.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 484309 + ... + 487458.

Almost surely, 2^1530533025 is an apocalyptic number.

1530533025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1530533025 is an abundant number, since it is smaller than the sum of its proper divisors (1602447007).

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

1530533025 is a wasteful number, since it uses less digits than its factorization.

1530533025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971790 (or 971782 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 1530533025 is about 39122.0273631109. The cubic root of 1530533025 is about 1152.4291500968.

Adding to 1530533025 its reverse (5203350351), we get a palindrome (6733883376).

The spelling of 1530533025 in words is "one billion, five hundred thirty million, five hundred thirty-three thousand, twenty-five".