10530905 has 32 divisors (see below), whose sum is σ = 16692480. Its totient is φ = 6174720.

The previous prime is 10530899. The next prime is 10530929. The reversal of 10530905 is 50903501.

10530905 = T₁₇₉ + T₁₈₀ + ... + T₄₀₉.

It is not a de Polignac number, because 10530905 - 2⁶ = 10530841 is a prime.

It is a super-2 number, since 2×10530905² = 221799920238050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5741 + ... + 7349.

It is an arithmetic number, because the mean of its divisors is an integer number (521640).

Almost surely, 2^10530905 is an apocalyptic number.

It is an amenable number.

10530905 is a deficient number, since it is larger than the sum of its proper divisors (6161575).

10530905 is a wasteful number, since it uses less digits than its factorization.

10530905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 10530905 is about 3245.1355903876. The cubic root of 10530905 is about 219.1905863012.

The spelling of 10530905 in words is "ten million, five hundred thirty thousand, nine hundred five".