2151502250 has 32 divisors (see below), whose sum is σ = 4032035280. Its totient is φ = 859656000.

The previous prime is 2151502219. The next prime is 2151502261. The reversal of 2151502250 is 522051512.

It can be written as a sum of positive squares in 8 ways, for example, as 3087049 + 2148415201 = 1757^2 + 46351^2 .

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 251036 + ... + 259464.

Almost surely, 2^2151502250 is an apocalyptic number.

2151502250 is a deficient number, since it is larger than the sum of its proper divisors (1880533030).

2151502250 is a wasteful number, since it uses less digits than its factorization.

2151502250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9467 (or 9457 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 2151502250 is about 46384.2888271449. The cubic root of 2151502250 is about 1290.9634150779.

Adding to 2151502250 its reverse (522051512), we get a palindrome (2673553762).

The spelling of 2151502250 in words is "two billion, one hundred fifty-one million, five hundred two thousand, two hundred fifty".