2505031 has 4 divisors (see below), whose sum is σ = 2516200. Its totient is φ = 2493864.

The previous prime is 2505007. The next prime is 2505043. The reversal of 2505031 is 1305052.

2505031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2505031 - 2⁹ = 2504519 is a prime.

It is a super-2 number, since 2×2505031² = 12550360621922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2504996 and 2505014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505631) 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 3 ways as a sum of consecutive naturals, for example, 5241 + ... + 5698.

It is an arithmetic number, because the mean of its divisors is an integer number (629050).

2^2505031 is an apocalyptic number.

2505031 is a deficient number, since it is larger than the sum of its proper divisors (11169).

2505031 is a wasteful number, since it uses less digits than its factorization.

2505031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11168.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 2505031 is about 1582.7289723765. The cubic root of 2505031 is about 135.8118613941.

The spelling of 2505031 in words is "two million, five hundred five thousand, thirty-one".