10687231 has 2 divisors, whose sum is σ = 10687232. Its totient is φ = 10687230.

The previous prime is 10687223. The next prime is 10687277. The reversal of 10687231 is 13278601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10687231 - 2³ = 10687223 is a prime.

It is a super-2 number, since 2×10687231² = 228433812894722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10687231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10687211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5343615 + 5343616.

It is an arithmetic number, because the mean of its divisors is an integer number (5343616).

Almost surely, 2^10687231 is an apocalyptic number.

10687231 is a deficient number, since it is larger than the sum of its proper divisors (1).

10687231 is an equidigital number, since it uses as much as digits as its factorization.

10687231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 10687231 is about 3269.1330655083. The cubic root of 10687231 is about 220.2698548077.

It can be divided in two parts, 10 and 687231, that added together give a square (687241 = 829²).

The spelling of 10687231 in words is "ten million, six hundred eighty-seven thousand, two hundred thirty-one".