2520545667 has 16 divisors (see below), whose sum is σ = 3439495680. Its totient is φ = 1641343392.

The previous prime is 2520545659. The next prime is 2520545669. The reversal of 2520545667 is 7665450252.

2520545667 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2520545667 - 2³ = 2520545659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2520545669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17563 + ... + 73140.

It is an arithmetic number, because the mean of its divisors is an integer number (214968480).

Almost surely, 2^2520545667 is an apocalyptic number.

2520545667 is a deficient number, since it is larger than the sum of its proper divisors (918950013).

2520545667 is a wasteful number, since it uses less digits than its factorization.

2520545667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90922.

The product of its (nonzero) digits is 504000, while the sum is 42.

The square root of 2520545667 is about 50205.0362712746. The cubic root of 2520545667 is about 1360.9166374918.

The spelling of 2520545667 in words is "two billion, five hundred twenty million, five hundred forty-five thousand, six hundred sixty-seven".