873825731 has 4 divisors (see below), whose sum is σ = 876301512. Its totient is φ = 871349952.

The previous prime is 873825727. The next prime is 873825769. The reversal of 873825731 is 137528378.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 873825731 - 2² = 873825727 is a prime.

It is a super-2 number, since 2×873825731² = 1527142816315368722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (873825431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1237361 + ... + 1238066.

It is an arithmetic number, because the mean of its divisors is an integer number (219075378).

Almost surely, 2^873825731 is an apocalyptic number.

873825731 is a deficient number, since it is larger than the sum of its proper divisors (2475781).

873825731 is a wasteful number, since it uses less digits than its factorization.

873825731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475780.

The product of its digits is 282240, while the sum is 44.

The square root of 873825731 is about 29560.5434828252. The cubic root of 873825731 is about 956.0375339774.

The spelling of 873825731 in words is "eight hundred seventy-three million, eight hundred twenty-five thousand, seven hundred thirty-one".