2505310043 has 32 divisors (see below), whose sum is σ = 2865881088. Its totient is φ = 2177971200.

The previous prime is 2505310021. The next prime is 2505310057. The reversal of 2505310043 is 3400135052.

It is a cyclic number.

It is not a de Polignac number, because 2505310043 - 2⁸ = 2505309787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2505310013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1014296 + ... + 1016762.

It is an arithmetic number, because the mean of its divisors is an integer number (89558784).

Almost surely, 2^2505310043 is an apocalyptic number.

2505310043 is a deficient number, since it is larger than the sum of its proper divisors (360571045).

2505310043 is a wasteful number, since it uses less digits than its factorization.

2505310043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2505310043 is about 50053.0722633486. The cubic root of 2505310043 is about 1358.1690403858.

Adding to 2505310043 its reverse (3400135052), we get a palindrome (5905445095).

The spelling of 2505310043 in words is "two billion, five hundred five million, three hundred ten thousand, forty-three".