10651481 has 4 divisors (see below), whose sum is σ = 10690212. Its totient is φ = 10612752.

The previous prime is 10651451. The next prime is 10651483. The reversal of 10651481 is 18415601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18415601 = 41 ⋅449161.

It can be written as a sum of positive squares in 2 ways, for example, as 3575881 + 7075600 = 1891^2 + 2660^2 .

It is a cyclic number.

It is not a de Polignac number, because 10651481 - 2¹⁰ = 10650457 is a prime.

It is a super-2 number, since 2×10651481² = 226908094986722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10651481.

It is not an unprimeable number, because it can be changed into a prime (10651483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18950 + ... + 19503.

It is an arithmetic number, because the mean of its divisors is an integer number (2672553).

Almost surely, 2^10651481 is an apocalyptic number.

10651481 is the 1745-th centered heptagonal number.

It is an amenable number.

10651481 is a deficient number, since it is larger than the sum of its proper divisors (38731).

10651481 is an equidigital number, since it uses as much as digits as its factorization.

10651481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38730.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 10651481 is about 3263.6606747638. The cubic root of 10651481 is about 220.0239712172.

The spelling of 10651481 in words is "ten million, six hundred fifty-one thousand, four hundred eighty-one".