2520606043 has 4 divisors (see below), whose sum is σ = 2529209088. Its totient is φ = 2512003000.

The previous prime is 2520606017. The next prime is 2520606047. The reversal of 2520606043 is 3406060252.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2520606043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520606047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4301083 + ... + 4301668.

It is an arithmetic number, because the mean of its divisors is an integer number (632302272).

Almost surely, 2^2520606043 is an apocalyptic number.

2520606043 is a deficient number, since it is larger than the sum of its proper divisors (8603045).

2520606043 is an equidigital number, since it uses as much as digits as its factorization.

2520606043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8603044.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 2520606043 is about 50205.6375619312. The cubic root of 2520606043 is about 1360.9275036637.

Adding to 2520606043 its reverse (3406060252), we get a palindrome (5926666295).

The spelling of 2520606043 in words is "two billion, five hundred twenty million, six hundred six thousand, forty-three".