5265645 has 64 divisors (see below), whose sum is σ = 10838016. Its totient is φ = 2119680.

The previous prime is 5265607. The next prime is 5265649. The reversal of 5265645 is 5465625.

It is a happy number.

It is not a de Polignac number, because 5265645 - 2⁷ = 5265517 is a prime.

It is a super-3 number, since 3×5265645³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5265649) 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 63 ways as a sum of consecutive naturals, for example, 54237 + ... + 54333.

It is an arithmetic number, because the mean of its divisors is an integer number (169344).

Almost surely, 2^5265645 is an apocalyptic number.

5265645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5265645 is an abundant number, since it is smaller than the sum of its proper divisors (5572371).

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

5265645 is a wasteful number, since it uses less digits than its factorization.

5265645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170.

The product of its digits is 36000, while the sum is 33.

The square root of 5265645 is about 2294.6993267093. The cubic root of 5265645 is about 173.9738036927.

The spelling of 5265645 in words is "five million, two hundred sixty-five thousand, six hundred forty-five".