82523731 has 8 divisors (see below), whose sum is σ = 83369664. Its totient is φ = 81681600.

The previous prime is 82523723. The next prime is 82523741. The reversal of 82523731 is 13732528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82523731 - 2³ = 82523723 is a prime.

It is a super-2 number, since 2×82523731² = 13620332356320722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82523693 and 82523702.

It is not an unprimeable number, because it can be changed into a prime (82523741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62781 + ... + 64081.

It is an arithmetic number, because the mean of its divisors is an integer number (10421208).

Almost surely, 2^82523731 is an apocalyptic number.

82523731 is a deficient number, since it is larger than the sum of its proper divisors (845933).

82523731 is a wasteful number, since it uses less digits than its factorization.

82523731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901.

The product of its digits is 10080, while the sum is 31.

The square root of 82523731 is about 9084.2573169192. The cubic root of 82523731 is about 435.3711211697.

The spelling of 82523731 in words is "eighty-two million, five hundred twenty-three thousand, seven hundred thirty-one".