105652861 has 4 divisors (see below), whose sum is σ = 105758172. Its totient is φ = 105547552.

The previous prime is 105652847. The next prime is 105652891. The reversal of 105652861 is 168256501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21104836 + 84548025 = 4594^2 + 9195^2 .

It is a cyclic number.

It is not a de Polignac number, because 105652861 - 2⁷ = 105652733 is a prime.

It is a super-2 number, since 2×105652861² = 22325054074970642, 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 (105652831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51136 + ... + 53161.

It is an arithmetic number, because the mean of its divisors is an integer number (26439543).

Almost surely, 2^105652861 is an apocalyptic number.

It is an amenable number.

105652861 is a deficient number, since it is larger than the sum of its proper divisors (105311).

105652861 is a wasteful number, since it uses less digits than its factorization.

105652861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105310.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 105652861 is about 10278.7577556823. The cubic root of 105652861 is about 472.7451557595.

The spelling of 105652861 in words is "one hundred five million, six hundred fifty-two thousand, eight hundred sixty-one".