2520452113 has 4 divisors (see below), whose sum is σ = 2668714020. Its totient is φ = 2372190208.

The previous prime is 2520452069. The next prime is 2520452131. The reversal of 2520452113 is 3112540252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1267858449 + 1252593664 = 35607^2 + 35392^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2520452113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520452513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74130928 + ... + 74130961.

It is an arithmetic number, because the mean of its divisors is an integer number (667178505).

Almost surely, 2^2520452113 is an apocalyptic number.

It is an amenable number.

2520452113 is a deficient number, since it is larger than the sum of its proper divisors (148261907).

2520452113 is a wasteful number, since it uses less digits than its factorization.

2520452113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148261906.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2520452113 is about 50204.1045433538. The cubic root of 2520452113 is about 1360.8997997660.

Adding to 2520452113 its reverse (3112540252), we get a palindrome (5632992365).

The spelling of 2520452113 in words is "two billion, five hundred twenty million, four hundred fifty-two thousand, one hundred thirteen".