2505535 has 8 divisors (see below), whose sum is σ = 3015936. Its totient is φ = 1998240.

The previous prime is 2505533. The next prime is 2505539. The reversal of 2505535 is 5355052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2505535 - 2¹ = 2505533 is a prime.

It is a Duffinian number.

2505535 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1762 + ... + 2848.

It is an arithmetic number, because the mean of its divisors is an integer number (376992).

2^2505535 is an apocalyptic number.

2505535 is a deficient number, since it is larger than the sum of its proper divisors (510401).

2505535 is a wasteful number, since it uses less digits than its factorization.

2505535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553.

The product of its (nonzero) digits is 3750, while the sum is 25.

The square root of 2505535 is about 1582.8881830376. Note that the first 3 decimals coincide. The cubic root of 2505535 is about 135.8209690110.

The spelling of 2505535 in words is "two million, five hundred five thousand, five hundred thirty-five".