2150273251 has 4 divisors (see below), whose sum is σ = 2457455152. Its totient is φ = 1843091352.

The previous prime is 2150273239. The next prime is 2150273261. The reversal of 2150273251 is 1523720512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2150273251 - 2²⁷ = 2016055523 is a prime.

It is a super-2 number, since 2×2150273251² = 9247350107932218002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2150273261) by changing a digit.

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, 153590940 + ... + 153590953.

It is an arithmetic number, because the mean of its divisors is an integer number (614363788).

Almost surely, 2^2150273251 is an apocalyptic number.

2150273251 is a deficient number, since it is larger than the sum of its proper divisors (307181901).

2150273251 is an equidigital number, since it uses as much as digits as its factorization.

2150273251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307181900.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 2150273251 is about 46371.0389251740. The cubic root of 2150273251 is about 1290.7175566404.

Adding to 2150273251 its reverse (1523720512), we get a palindrome (3673993763).

The spelling of 2150273251 in words is "two billion, one hundred fifty million, two hundred seventy-three thousand, two hundred fifty-one".