10525545 has 24 divisors (see below), whose sum is σ = 18922176. Its totient is φ = 5612976.

The previous prime is 10525517. The next prime is 10525547. The reversal of 10525545 is 54552501.

10525545 is a `hidden beast` number, since 105 + 2 + 554 + 5 = 666.

It is not a de Polignac number, because 10525545 - 2⁶ = 10525481 is a prime.

It is a super-2 number, since 2×10525545² = 221574195094050, which contains 22 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10525547) 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 23 ways as a sum of consecutive naturals, for example, 3117 + ... + 5546.

It is an arithmetic number, because the mean of its divisors is an integer number (788424).

Almost surely, 2^10525545 is an apocalyptic number.

10525545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10525545 is a deficient number, since it is larger than the sum of its proper divisors (8396631).

10525545 is an frugal number, since it uses more digits than its factorization.

10525545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8683 (or 8671 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 10525545 is about 3244.3096338050. The cubic root of 10525545 is about 219.1533922542.

The spelling of 10525545 in words is "ten million, five hundred twenty-five thousand, five hundred forty-five".