1530289225 has 12 divisors (see below), whose sum is σ = 1911214480. Its totient is φ = 1215421200.

The previous prime is 1530289223. The next prime is 1530289247. The reversal of 1530289225 is 5229820351.

It is not a de Polignac number, because 1530289225 - 2¹ = 1530289223 is a prime.

It is a super-2 number, since 2×1530289225² = 4683570224302201250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1530289223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216711 + ... + 223660.

Almost surely, 2^1530289225 is an apocalyptic number.

It is an amenable number.

1530289225 is a deficient number, since it is larger than the sum of its proper divisors (380925255).

1530289225 is a wasteful number, since it uses less digits than its factorization.

1530289225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440520 (or 440515 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 1530289225 is about 39118.9113473266. The cubic root of 1530289225 is about 1152.3679563510.

The spelling of 1530289225 in words is "one billion, five hundred thirty million, two hundred eighty-nine thousand, two hundred twenty-five".