105403525 has 12 divisors (see below), whose sum is σ = 130828804. Its totient is φ = 84240000.

The previous prime is 105403513. The next prime is 105403531. The reversal of 105403525 is 525304501.

It can be written as a sum of positive squares in 6 ways, for example, as 7650756 + 97752769 = 2766^2 + 9887^2 .

It is not a de Polignac number, because 105403525 - 2¹¹ = 105401477 is a prime.

It is a super-2 number, since 2×105403525² = 22219806164851250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105403525.

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, 43855 + ... + 46195.

Almost surely, 2^105403525 is an apocalyptic number.

It is an amenable number.

105403525 is a deficient number, since it is larger than the sum of its proper divisors (25425279).

105403525 is a wasteful number, since it uses less digits than its factorization.

105403525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4152 (or 4147 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 105403525 is about 10266.6218884305. The cubic root of 105403525 is about 472.3729770625.

The spelling of 105403525 in words is "one hundred five million, four hundred three thousand, five hundred twenty-five".