2520452865 has 16 divisors (see below), whose sum is σ = 4608828288. Its totient is φ = 1152206976.

The previous prime is 2520452821. The next prime is 2520452881. The reversal of 2520452865 is 5682540252.

It is a happy number.

It is not a de Polignac number, because 2520452865 - 2¹¹ = 2520450817 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12002052 + ... + 12002261.

It is an arithmetic number, because the mean of its divisors is an integer number (288051768).

Almost surely, 2^2520452865 is an apocalyptic number.

It is an amenable number.

2520452865 is a deficient number, since it is larger than the sum of its proper divisors (2088375423).

2520452865 is a wasteful number, since it uses less digits than its factorization.

2520452865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24004328.

The product of its (nonzero) digits is 192000, while the sum is 39.

The square root of 2520452865 is about 50204.1120327807. The cubic root of 2520452865 is about 1360.8999351117.

The spelling of 2520452865 in words is "two billion, five hundred twenty million, four hundred fifty-two thousand, eight hundred sixty-five".