105312925 has 12 divisors (see below), whose sum is σ = 132243520. Its totient is φ = 83182320.

The previous prime is 105312923. The next prime is 105312937. The reversal of 105312925 is 529213501.

It is not a de Polignac number, because 105312925 - 2¹ = 105312923 is a prime.

It is a super-2 number, since 2×105312925² = 22181624344111250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105312893 and 105312902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105312923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24687 + ... + 28636.

Almost surely, 2^105312925 is an apocalyptic number.

It is an amenable number.

105312925 is a deficient number, since it is larger than the sum of its proper divisors (26930595).

105312925 is an equidigital number, since it uses as much as digits as its factorization.

105312925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53412 (or 53407 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 105312925 is about 10262.2085829513. The cubic root of 105312925 is about 472.2375949372.

It can be divided in two parts, 10531 and 2925, that added together give a square (13456 = 116²).

The spelling of 105312925 in words is "one hundred five million, three hundred twelve thousand, nine hundred twenty-five".