105611252 has 12 divisors (see below), whose sum is σ = 187849956. Its totient is φ = 51939840.

The previous prime is 105611251. The next prime is 105611263. The reversal of 105611252 is 252116501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17926756 + 87684496 = 4234^2 + 9364^2 .

It is a super-2 number, since 2×105611252² = 22307473098015008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105611251) 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, 216173 + ... + 216660.

It is an arithmetic number, because the mean of its divisors is an integer number (15654163).

Almost surely, 2^105611252 is an apocalyptic number.

It is an amenable number.

105611252 is a deficient number, since it is larger than the sum of its proper divisors (82238704).

105611252 is a wasteful number, since it uses less digits than its factorization.

105611252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432898 (or 432896 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 105611252 is about 10276.7335277315. The cubic root of 105611252 is about 472.6830875996.

Adding to 105611252 its reverse (252116501), we get a palindrome (357727753).

The spelling of 105611252 in words is "one hundred five million, six hundred eleven thousand, two hundred fifty-two".