105652891 has 2 divisors, whose sum is σ = 105652892. Its totient is φ = 105652890.

The previous prime is 105652847. The next prime is 105652907. The reversal of 105652891 is 198256501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105652891 - 2¹¹ = 105650843 is a prime.

It is a super-2 number, since 2×105652891² = 22325066753315762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105652891.

It is not a weakly prime, because it can be changed into another prime (105652831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52826445 + 52826446.

It is an arithmetic number, because the mean of its divisors is an integer number (52826446).

Almost surely, 2^105652891 is an apocalyptic number.

105652891 is a deficient number, since it is larger than the sum of its proper divisors (1).

105652891 is an equidigital number, since it uses as much as digits as its factorization.

105652891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 37.

The square root of 105652891 is about 10278.7592150026. The cubic root of 105652891 is about 472.7452005046.

It can be divided in two parts, 10565 and 2891, that added together give a square (13456 = 116²).

The spelling of 105652891 in words is "one hundred five million, six hundred fifty-two thousand, eight hundred ninety-one".