1825541812 has 24 divisors (see below), whose sum is σ = 3364653600. Its totient is φ = 864264096.

The previous prime is 1825541803. The next prime is 1825541849. The reversal of 1825541812 is 2181455281.

It is a congruent number.

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, 165114 + ... + 175822.

It is an arithmetic number, because the mean of its divisors is an integer number (140193900).

Almost surely, 2^1825541812 is an apocalyptic number.

It is an amenable number.

1825541812 is a deficient number, since it is larger than the sum of its proper divisors (1539111788).

1825541812 is a wasteful number, since it uses less digits than its factorization.

1825541812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12975 (or 12973 counting only the distinct ones).

The product of its digits is 25600, while the sum is 37.

The square root of 1825541812 is about 42726.3596857958. The cubic root of 1825541812 is about 1222.1671174874.

The spelling of 1825541812 in words is "one billion, eight hundred twenty-five million, five hundred forty-one thousand, eight hundred twelve".