10361861 has 4 divisors (see below), whose sum is σ = 10368300. Its totient is φ = 10355424.

The previous prime is 10361851. The next prime is 10361863. The reversal of 10361861 is 16816301.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4452100 + 5909761 = 2110^2 + 2431^2 .

It is a cyclic number.

It is not a de Polignac number, because 10361861 - 2¹⁴ = 10345477 is a prime.

It is a super-3 number, since 3×10361861³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10361861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10361863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1595 + ... + 4823.

It is an arithmetic number, because the mean of its divisors is an integer number (2592075).

Almost surely, 2^10361861 is an apocalyptic number.

It is an amenable number.

10361861 is a deficient number, since it is larger than the sum of its proper divisors (6439).

10361861 is an equidigital number, since it uses as much as digits as its factorization.

10361861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6438.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 10361861 is about 3218.9844671884. The cubic root of 10361861 is about 218.0114252071.

The spelling of 10361861 in words is "ten million, three hundred sixty-one thousand, eight hundred sixty-one".