2520605045 has 32 divisors (see below), whose sum is σ = 3701376000. Its totient is φ = 1608431616.

The previous prime is 2520605041. The next prime is 2520605063. The reversal of 2520605045 is 5405060252.

It is a cyclic number.

It is not a de Polignac number, because 2520605045 - 2² = 2520605041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2520604999 and 2520605017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520605041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29156 + ... + 76754.

It is an arithmetic number, because the mean of its divisors is an integer number (115668000).

Almost surely, 2^2520605045 is an apocalyptic number.

It is an amenable number.

2520605045 is a deficient number, since it is larger than the sum of its proper divisors (1180770955).

2520605045 is a wasteful number, since it uses less digits than its factorization.

2520605045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47717.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2520605045 is about 50205.6276228074. The cubic root of 2520605045 is about 1360.9273240500.

Adding to 2520605045 its reverse (5405060252), we get a palindrome (7925665297).

The spelling of 2520605045 in words is "two billion, five hundred twenty million, six hundred five thousand, forty-five".