2534221512 has 128 divisors (see below), whose sum is σ = 7517030400. Its totient is φ = 789155136.

The previous prime is 2534221477. The next prime is 2534221517. The reversal of 2534221512 is 2151224352.

It is a super-2 number, since 2×2534221512² = 12844557343767132288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2534221517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207693 + ... + 219555.

It is an arithmetic number, because the mean of its divisors is an integer number (58726800).

Almost surely, 2^2534221512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2534221512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3758515200).

2534221512 is an abundant number, since it is smaller than the sum of its proper divisors (4982808888).

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

2534221512 is a wasteful number, since it uses less digits than its factorization.

2534221512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11944 (or 11934 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 2534221512 is about 50341.0519556356. The cubic root of 2534221512 is about 1363.3735294742.

Adding to 2534221512 its reverse (2151224352), we get a palindrome (4685445864).

The spelling of 2534221512 in words is "two billion, five hundred thirty-four million, two hundred twenty-one thousand, five hundred twelve".