2520813673 has 8 divisors (see below), whose sum is σ = 2939724800. Its totient is φ = 2160697140.

The previous prime is 2520813671. The next prime is 2520813683. The reversal of 2520813673 is 3763180252.

It is not a de Polignac number, because 2520813673 - 2¹ = 2520813671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520813671) 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 7 ways as a sum of consecutive naturals, for example, 3674313 + ... + 3674998.

It is an arithmetic number, because the mean of its divisors is an integer number (367465600).

Almost surely, 2^2520813673 is an apocalyptic number.

It is an amenable number.

2520813673 is a deficient number, since it is larger than the sum of its proper divisors (418911127).

2520813673 is an frugal number, since it uses more digits than its factorization.

2520813673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7349332 (or 7349318 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 2520813673 is about 50207.7053150211. The cubic root of 2520813673 is about 1360.9648705527.

The spelling of 2520813673 in words is "two billion, five hundred twenty million, eight hundred thirteen thousand, six hundred seventy-three".