10531906 has 16 divisors (see below), whose sum is σ = 19696320. Its totient is φ = 4103280.

The previous prime is 10531889. The next prime is 10531921. The reversal of 10531906 is 60913501.

10531906 = T₉₉₁ + T₉₉₂ + ... + T₁₀₁₁.

It is a super-2 number, since 2×10531906² = 221842087985672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34041 + ... + 34348.

It is an arithmetic number, because the mean of its divisors is an integer number (1231020).

Almost surely, 2^10531906 is an apocalyptic number.

10531906 is a deficient number, since it is larger than the sum of its proper divisors (9164414).

10531906 is a wasteful number, since it uses less digits than its factorization.

10531906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68409.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 10531906 is about 3245.2898175664. The cubic root of 10531906 is about 219.1975310296.

The spelling of 10531906 in words is "ten million, five hundred thirty-one thousand, nine hundred six".