2151241252 has 12 divisors (see below), whose sum is σ = 3765005440. Its totient is φ = 1075525416.

The previous prime is 2151241247. The next prime is 2151241297. The reversal of 2151241252 is 2521421512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59173 + ... + 88339.

Almost surely, 2^2151241252 is an apocalyptic number.

It is an amenable number.

2151241252 is a deficient number, since it is larger than the sum of its proper divisors (1613764188).

2151241252 is a wasteful number, since it uses less digits than its factorization.

2151241252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47610 (or 47608 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 2151241252 is about 46381.4753107315. The cubic root of 2151241252 is about 1290.9112108572.

Adding to 2151241252 its reverse (2521421512), we get a palindrome (4672662764).

The spelling of 2151241252 in words is "two billion, one hundred fifty-one million, two hundred forty-one thousand, two hundred fifty-two".