10525518 has 16 divisors (see below), whose sum is σ = 23390160. Its totient is φ = 3508488.

The previous prime is 10525517. The next prime is 10525547. The reversal of 10525518 is 81552501.

10525518 is a `hidden beast` number, since 105 + 2 + 551 + 8 = 666.

It is a super-2 number, since 2×10525518² = 221573058336648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 10525491 and 10525500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10525511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97405 + ... + 97512.

It is an arithmetic number, because the mean of its divisors is an integer number (1461885).

Almost surely, 2^10525518 is an apocalyptic number.

10525518 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10525518 is an abundant number, since it is smaller than the sum of its proper divisors (12864642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10525518 is a wasteful number, since it uses less digits than its factorization.

10525518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194928 (or 194922 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 10525518 is about 3244.3054726705. The cubic root of 10525518 is about 219.1532048642.

The spelling of 10525518 in words is "ten million, five hundred twenty-five thousand, five hundred eighteen".