2520000253 has 4 divisors (see below), whose sum is σ = 2668235580. Its totient is φ = 2371764928.

The previous prime is 2520000187. The next prime is 2520000257. The reversal of 2520000253 is 3520000252.

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 2179302489 + 340697764 = 46683^2 + 18458^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2520000253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2520000253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520000257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74117638 + ... + 74117671.

It is an arithmetic number, because the mean of its divisors is an integer number (667058895).

Almost surely, 2^2520000253 is an apocalyptic number.

It is an amenable number.

2520000253 is a deficient number, since it is larger than the sum of its proper divisors (148235327).

2520000253 is a wasteful number, since it uses less digits than its factorization.

2520000253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148235326.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 2520000253 is about 50199.6041119848. The cubic root of 2520000253 is about 1360.8184687313.

Subtracting 2520000253 from its reverse (3520000252), we obtain a palindrome (999999999).

The spelling of 2520000253 in words is "two billion, five hundred twenty million, two hundred fifty-three", and thus it is an aban number.