2535645 has 64 divisors (see below), whose sum is σ = 5160960. Its totient is φ = 1036800.

The previous prime is 2535641. The next prime is 2535671. The reversal of 2535645 is 5465352.

It is not a de Polignac number, because 2535645 - 2² = 2535641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2535641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61825 + ... + 61865.

It is an arithmetic number, because the mean of its divisors is an integer number (80640).

2^2535645 is an apocalyptic number.

It is an amenable number.

2535645 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2535645 is a wasteful number, since it uses less digits than its factorization.

2535645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106.

The product of its digits is 18000, while the sum is 30.

The square root of 2535645 is about 1592.3708738859. The cubic root of 2535645 is about 136.3628753493.

The spelling of 2535645 in words is "two million, five hundred thirty-five thousand, six hundred forty-five".