782052531 has 16 divisors (see below), whose sum is σ = 1159173120. Its totient is φ = 465737760.

The previous prime is 782052511. The next prime is 782052533. The reversal of 782052531 is 135250287.

It is not a de Polignac number, because 782052531 - 2⁵ = 782052499 is a prime.

It is a super-2 number, since 2×782052531² = 1223212322487011922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 782052492 and 782052501.

It is not an unprimeable number, because it can be changed into a prime (782052533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322221 + ... + 324638.

It is an arithmetic number, because the mean of its divisors is an integer number (72448320).

Almost surely, 2^782052531 is an apocalyptic number.

782052531 is a deficient number, since it is larger than the sum of its proper divisors (377120589).

782052531 is a wasteful number, since it uses less digits than its factorization.

782052531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646906.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 782052531 is about 27965.2021448085. The cubic root of 782052531 is about 921.3231320146.

The spelling of 782052531 in words is "seven hundred eighty-two million, fifty-two thousand, five hundred thirty-one".