6536731 has 4 divisors (see below), whose sum is σ = 6688792. Its totient is φ = 6384672.

The previous prime is 6536729. The next prime is 6536743. The reversal of 6536731 is 1376356.

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 6536731 - 2¹ = 6536729 is a prime.

It is a super-2 number, since 2×6536731² = 85457704332722, 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 = 6536693 and 6536702.

It is not an unprimeable number, because it can be changed into a prime (6536771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75966 + ... + 76051.

It is an arithmetic number, because the mean of its divisors is an integer number (1672198).

Almost surely, 2^6536731 is an apocalyptic number.

6536731 is a deficient number, since it is larger than the sum of its proper divisors (152061).

6536731 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 11 representation: 6536731 = (3765163)₁₁.

6536731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152060.

The product of its digits is 11340, while the sum is 31.

The square root of 6536731 is about 2556.7031505437. The cubic root of 6536731 is about 186.9764333023.

The spelling of 6536731 in words is "six million, five hundred thirty-six thousand, seven hundred thirty-one".