1825530546 has 32 divisors (see below), whose sum is σ = 4174305408. Its totient is φ = 521372160.

The previous prime is 1825530523. The next prime is 1825530547. The reversal of 1825530546 is 6450355281.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1825530547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120576 + ... + 134868.

It is an arithmetic number, because the mean of its divisors is an integer number (130447044).

Almost surely, 2^1825530546 is an apocalyptic number.

1825530546 is an abundant number, since it is smaller than the sum of its proper divisors (2348774862).

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

1825530546 is a wasteful number, since it uses less digits than its factorization.

1825530546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17346.

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 1825530546 is about 42726.2278466049. The cubic root of 1825530546 is about 1222.1646033547.

The spelling of 1825530546 in words is "one billion, eight hundred twenty-five million, five hundred thirty thousand, five hundred forty-six".