1829891325 has 12 divisors (see below), whose sum is σ = 3025420448. Its totient is φ = 975942000.

The previous prime is 1829891321. The next prime is 1829891333. The reversal of 1829891325 is 5231989281.

It is not a de Polignac number, because 1829891325 - 2² = 1829891321 is a prime.

It is a super-2 number, since 2×1829891325² = 6697004522620511250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1829891321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12199201 + ... + 12199350.

Almost surely, 2^1829891325 is an apocalyptic number.

1829891325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1829891325 is a deficient number, since it is larger than the sum of its proper divisors (1195529123).

1829891325 is a wasteful number, since it uses less digits than its factorization.

1829891325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24398564 (or 24398559 counting only the distinct ones).

The product of its digits is 311040, while the sum is 48.

The square root of 1829891325 is about 42777.2290477071. The cubic root of 1829891325 is about 1223.1369876376.

The spelling of 1829891325 in words is "one billion, eight hundred twenty-nine million, eight hundred ninety-one thousand, three hundred twenty-five".