10621045 has 8 divisors (see below), whose sum is σ = 12768696. Its totient is φ = 8481216.

The previous prime is 10621027. The next prime is 10621049. The reversal of 10621045 is 54012601.

10621045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2792241 + 7828804 = 1671^2 + 2798^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10621045 - 2²³ = 2232437 is a prime.

It is a super-2 number, since 2×10621045² = 225613193784050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10621049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1639 + ... + 4891.

It is an arithmetic number, because the mean of its divisors is an integer number (1596087).

Almost surely, 2^10621045 is an apocalyptic number.

It is an amenable number.

10621045 is a deficient number, since it is larger than the sum of its proper divisors (2147651).

10621045 is an equidigital number, since it uses as much as digits as its factorization.

10621045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3911.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 10621045 is about 3258.9944768287. The cubic root of 10621045 is about 219.8142026362.

Adding to 10621045 its reverse (54012601), we get a palindrome (64633646).

It can be divided in two parts, 10 and 621045, that added together give a triangular number (621055 = T₁₁₁₄).

The spelling of 10621045 in words is "ten million, six hundred twenty-one thousand, forty-five".