1002255252 has 48 divisors (see below), whose sum is σ = 2386645632. Its totient is φ = 327283200.

The previous prime is 1002255239. The next prime is 1002255277. The reversal of 1002255252 is 2525522001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128488 + ... + 136064.

It is an arithmetic number, because the mean of its divisors is an integer number (49721784).

Almost surely, 2^1002255252 is an apocalyptic number.

1002255252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002255252 is an abundant number, since it is smaller than the sum of its proper divisors (1384390380).

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

1002255252 is a wasteful number, since it uses less digits than its factorization.

1002255252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7808 (or 7806 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 1002255252 is about 31658.4151845919. The cubic root of 1002255252 is about 1000.7511862446.

Adding to 1002255252 its reverse (2525522001), we get a palindrome (3527777253).

The spelling of 1002255252 in words is "one billion, two million, two hundred fifty-five thousand, two hundred fifty-two".