2520638502 has 8 divisors (see below), whose sum is σ = 5041277016. Its totient is φ = 840212832.

The previous prime is 2520638473. The next prime is 2520638531. The reversal of 2520638502 is 2058360252.

2520638502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2520638473) and next prime (2520638531).

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

2520638502 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210053203 + ... + 210053214.

It is an arithmetic number, because the mean of its divisors is an integer number (630159627).

Almost surely, 2^2520638502 is an apocalyptic number.

2520638502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2520638502 is a wasteful number, since it uses less digits than its factorization.

2520638502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420106422.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 2520638502 is about 50205.9608214005. The cubic root of 2520638502 is about 1360.9333454011.

Adding to 2520638502 its reverse (2058360252), we get a palindrome (4578998754).

The spelling of 2520638502 in words is "two billion, five hundred twenty million, six hundred thirty-eight thousand, five hundred two".