2506535 has 8 divisors (see below), whose sum is σ = 3081456. Its totient is φ = 1956160.

The previous prime is 2506523. The next prime is 2506541. The reversal of 2506535 is 5356052.

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

It is not a de Polignac number, because 2506535 - 2⁸ = 2506279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5909 + ... + 6318.

It is an arithmetic number, because the mean of its divisors is an integer number (385182).

2^2506535 is an apocalyptic number.

2506535 is a deficient number, since it is larger than the sum of its proper divisors (574921).

2506535 is a wasteful number, since it uses less digits than its factorization.

2506535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12273.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 2506535 is about 1583.2040298079. The cubic root of 2506535 is about 135.8390360644.

The spelling of 2506535 in words is "two million, five hundred six thousand, five hundred thirty-five".