2151525252 has 24 divisors (see below), whose sum is σ = 5023228000. Its totient is φ = 716746176.

The previous prime is 2151525241. The next prime is 2151525269. The reversal of 2151525252 is 2525251512.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 32377 + ... + 73152.

Almost surely, 2^2151525252 is an apocalyptic number.

It is an amenable number.

2151525252 is an abundant number, since it is smaller than the sum of its proper divisors (2871702748).

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

2151525252 is a wasteful number, since it uses less digits than its factorization.

2151525252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107235 (or 107233 counting only the distinct ones).

The product of its digits is 10000, while the sum is 30.

The square root of 2151525252 is about 46384.5367768182. The cubic root of 2151525252 is about 1290.9680156827.

Adding to 2151525252 its reverse (2525251512), we get a palindrome (4676776764).

The spelling of 2151525252 in words is "two billion, one hundred fifty-one million, five hundred twenty-five thousand, two hundred fifty-two".