2520552505 has 8 divisors (see below), whose sum is σ = 3027205512. Its totient is φ = 2014747008.

The previous prime is 2520552499. The next prime is 2520552523. The reversal of 2520552505 is 5052550252.

It can be written as a sum of positive squares in 4 ways, for example, as 110889 + 2520441616 = 333^2 + 50204^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2520552505 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205314 + ... + 217243.

It is an arithmetic number, because the mean of its divisors is an integer number (378400689).

Almost surely, 2^2520552505 is an apocalyptic number.

It is an amenable number.

2520552505 is a deficient number, since it is larger than the sum of its proper divisors (506653007).

2520552505 is a wasteful number, since it uses less digits than its factorization.

2520552505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423755.

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 2520552505 is about 50205.1043719660. The cubic root of 2520552505 is about 1360.9178681697.

It can be divided in two parts, 2520 and 552505, that added together give a square (555025 = 745²).

The spelling of 2520552505 in words is "two billion, five hundred twenty million, five hundred fifty-two thousand, five hundred five".