2520081465 has 16 divisors (see below), whose sum is σ = 4398687936. Its totient is φ = 1221857600.

The previous prime is 2520081461. The next prime is 2520081491. The reversal of 2520081465 is 5641800252.

It is not a de Polignac number, because 2520081465 - 2² = 2520081461 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2520081461) 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, 7636446 + ... + 7636775.

It is an arithmetic number, because the mean of its divisors is an integer number (274917996).

Almost surely, 2^2520081465 is an apocalyptic number.

It is an amenable number.

2520081465 is a deficient number, since it is larger than the sum of its proper divisors (1878606471).

2520081465 is a wasteful number, since it uses less digits than its factorization.

2520081465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15273240.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 2520081465 is about 50200.4129963091. The cubic root of 2520081465 is about 1360.8330869312.

The spelling of 2520081465 in words is "two billion, five hundred twenty million, eighty-one thousand, four hundred sixty-five".