6825231531 has 24 divisors (see below), whose sum is σ = 10570218960. Its totient is φ = 4352312448.

The previous prime is 6825231431. The next prime is 6825231541. The reversal of 6825231531 is 1351325286.

6825231531 is a `hidden beast` number, since 6 + 82 + 523 + 1 + 53 + 1 = 666.

It is not a de Polignac number, because 6825231531 - 2¹⁴ = 6825215147 is a prime.

It is a super-2 number, since 2×6825231531² = 93167570903513207922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6825231541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224646 + ... + 253211.

It is an arithmetic number, because the mean of its divisors is an integer number (440425790).

Almost surely, 2^6825231531 is an apocalyptic number.

6825231531 is a deficient number, since it is larger than the sum of its proper divisors (3744987429).

6825231531 is a wasteful number, since it uses less digits than its factorization.

6825231531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477912 (or 477883 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 6825231531 is about 82614.9594867661. The cubic root of 6825231531 is about 1896.8768201501.

The spelling of 6825231531 in words is "six billion, eight hundred twenty-five million, two hundred thirty-one thousand, five hundred thirty-one".