1530825866 has 16 divisors (see below), whose sum is σ = 2355314280. Its totient is φ = 745951680.

The previous prime is 1530825853. The next prime is 1530825883. The reversal of 1530825866 is 6685280351.

It can be written as a sum of positive squares in 4 ways, for example, as 1442860225 + 87965641 = 37985^2 + 9379^2 .

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, 44261 + ... + 70856.

Almost surely, 2^1530825866 is an apocalyptic number.

1530825866 is a deficient number, since it is larger than the sum of its proper divisors (824488414).

1530825866 is a wasteful number, since it uses less digits than its factorization.

1530825866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115289.

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 1530825866 is about 39125.7698454612. The cubic root of 1530825866 is about 1152.5026445326.

The spelling of 1530825866 in words is "one billion, five hundred thirty million, eight hundred twenty-five thousand, eight hundred sixty-six".