105240525 has 108 divisors (see below), whose sum is σ = 207495648. Its totient is φ = 46949760.

The previous prime is 105240517. The next prime is 105240547. The reversal of 105240525 is 525042501.

It is a happy number.

It is not a de Polignac number, because 105240525 - 2³ = 105240517 is a prime.

It is a super-2 number, since 2×105240525² = 22151136204551250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105240495 and 105240504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 4575664 + ... + 4575686.

It is an arithmetic number, because the mean of its divisors is an integer number (1921256).

Almost surely, 2^105240525 is an apocalyptic number.

105240525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105240525 is a deficient number, since it is larger than the sum of its proper divisors (102255123).

105240525 is a wasteful number, since it uses less digits than its factorization.

105240525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 105240525 is about 10258.6804707038. The cubic root of 105240525 is about 472.1293529533.

The spelling of 105240525 in words is "one hundred five million, two hundred forty thousand, five hundred twenty-five".