1530945225 has 24 divisors (see below), whose sum is σ = 2812404320. Its totient is φ = 816503760.

The previous prime is 1530945181. The next prime is 1530945233. The reversal of 1530945225 is 5225490351.

It is a happy number.

1530945225 is a `hidden beast` number, since 15 + 30 + 94 + 522 + 5 = 666.

It is not a de Polignac number, because 1530945225 - 2¹² = 1530941129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1530945225.

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, 1133359 + ... + 1134708.

Almost surely, 2^1530945225 is an apocalyptic number.

1530945225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1530945225 is a deficient number, since it is larger than the sum of its proper divisors (1281459095).

1530945225 is a wasteful number, since it uses less digits than its factorization.

1530945225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268086 (or 2268075 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 1530945225 is about 39127.2951403493. The cubic root of 1530945225 is about 1152.5325974251.

The spelling of 1530945225 in words is "one billion, five hundred thirty million, nine hundred forty-five thousand, two hundred twenty-five".