1825932865 has 16 divisors (see below), whose sum is σ = 2247537600. Its totient is φ = 1423300032.

The previous prime is 1825932841. The next prime is 1825932881. The reversal of 1825932865 is 5682395281.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1825932865 - 2¹¹ = 1825930817 is a prime.

Its product of digits (1036800) is a multiple of the sum of its prime divisors (20736).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79951 + ... + 100219.

It is an arithmetic number, because the mean of its divisors is an integer number (140471100).

Almost surely, 2^1825932865 is an apocalyptic number.

It is an amenable number.

1825932865 is a deficient number, since it is larger than the sum of its proper divisors (421604735).

1825932865 is a wasteful number, since it uses less digits than its factorization.

1825932865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20736.

The product of its digits is 1036800, while the sum is 49.

The square root of 1825932865 is about 42730.9356906679. The cubic root of 1825932865 is about 1222.2543788861.

The spelling of 1825932865 in words is "one billion, eight hundred twenty-five million, nine hundred thirty-two thousand, eight hundred sixty-five".