2530421250 has 240 divisors, whose sum is σ = 7538686848. Its totient is φ = 564144000.

The previous prime is 2530421239. The next prime is 2530421251. The reversal of 2530421250 is 521240352.

It is a self number, because there is not a number n which added to its sum of digits gives 2530421250.

It is not an unprimeable number, because it can be changed into a prime (2530421251) 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 119 ways as a sum of consecutive naturals, for example, 8636104 + ... + 8636396.

Almost surely, 2^2530421250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2530421250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3769343424).

2530421250 is an abundant number, since it is smaller than the sum of its proper divisors (5008265598).

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

2530421250 is a wasteful number, since it uses less digits than its factorization.

2530421250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2530421250 is about 50303.2926357709. The cubic root of 2530421250 is about 1362.6916937033.

The spelling of 2530421250 in words is "two billion, five hundred thirty million, four hundred twenty-one thousand, two hundred fifty".