105621352 has 8 divisors (see below), whose sum is σ = 198040050. Its totient is φ = 52810672.

The previous prime is 105621349. The next prime is 105621379. The reversal of 105621352 is 253126501.

It can be written as a sum of positive squares in only one way, i.e., 64738116 + 40883236 = 8046^2 + 6394^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×105621352² = 22311739996615808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6601327 + ... + 6601342.

Almost surely, 2^105621352 is an apocalyptic number.

It is an amenable number.

105621352 is a deficient number, since it is larger than the sum of its proper divisors (92418698).

105621352 is a wasteful number, since it uses less digits than its factorization.

105621352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13202675 (or 13202671 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 105621352 is about 10277.2249172624. The cubic root of 105621352 is about 472.6981552713.

Adding to 105621352 its reverse (253126501), we get a palindrome (358747853).

The spelling of 105621352 in words is "one hundred five million, six hundred twenty-one thousand, three hundred fifty-two".