105254261 has 4 divisors (see below), whose sum is σ = 120290592. Its totient is φ = 90217932.

The previous prime is 105254251. The next prime is 105254267. The reversal of 105254261 is 162452501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 162452501 = 89 ⋅1825309.

It is not a de Polignac number, because 105254261 - 2¹⁸ = 104992117 is a prime.

It is a super-2 number, since 2×105254261² = 22156918917312242, which contains 22 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 105254261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105254267) 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, 7518155 + ... + 7518168.

It is an arithmetic number, because the mean of its divisors is an integer number (30072648).

Almost surely, 2^105254261 is an apocalyptic number.

It is an amenable number.

105254261 is a deficient number, since it is larger than the sum of its proper divisors (15036331).

105254261 is an equidigital number, since it uses as much as digits as its factorization.

105254261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15036330.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 105254261 is about 10259.3499306730. The cubic root of 105254261 is about 472.1498928441.

The spelling of 105254261 in words is "one hundred five million, two hundred fifty-four thousand, two hundred sixty-one".