105252425 has 12 divisors (see below), whose sum is σ = 130659420. Its totient is φ = 84107520.

The previous prime is 105252361. The next prime is 105252443. The reversal of 105252425 is 524252501.

It can be written as a sum of positive squares in 6 ways, for example, as 13935289 + 91317136 = 3733^2 + 9556^2 .

It is not a de Polignac number, because 105252425 - 2⁶ = 105252361 is a prime.

It is a super-2 number, since 2×105252425² = 22156145936761250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 105252394 and 105252403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28061 + ... + 31589.

It is an arithmetic number, because the mean of its divisors is an integer number (10888285).

Almost surely, 2^105252425 is an apocalyptic number.

It is an amenable number.

105252425 is a deficient number, since it is larger than the sum of its proper divisors (25406995).

105252425 is a wasteful number, since it uses less digits than its factorization.

105252425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4732 (or 4727 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 105252425 is about 10259.2604509292. The cubic root of 105252425 is about 472.1471475166.

The spelling of 105252425 in words is "one hundred five million, two hundred fifty-two thousand, four hundred twenty-five".