105725425 has 12 divisors (see below), whose sum is σ = 141184540. Its totient is φ = 78073920.

The previous prime is 105725401. The next prime is 105725437. The reversal of 105725425 is 524527501.

It can be written as a sum of positive squares in 6 ways, for example, as 703921 + 105021504 = 839^2 + 10248^2 .

It is not a de Polignac number, because 105725425 - 2¹³ = 105717233 is a prime.

It is a super-2 number, since 2×105725425² = 22355730982861250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 162330 + ... + 162979.

Almost surely, 2^105725425 is an apocalyptic number.

It is an amenable number.

105725425 is a deficient number, since it is larger than the sum of its proper divisors (35459115).

105725425 is a wasteful number, since it uses less digits than its factorization.

105725425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325332 (or 325327 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 105725425 is about 10282.2869537861. The cubic root of 105725425 is about 472.8533605243.

The spelling of 105725425 in words is "one hundred five million, seven hundred twenty-five thousand, four hundred twenty-five".