2152025251 has 4 divisors (see below), whose sum is σ = 2176205400. Its totient is φ = 2127845104.

The previous prime is 2152025231. The next prime is 2152025311. The reversal of 2152025251 is 1525202512.

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 2152025251 - 2²⁵ = 2118470819 is a prime.

It is a super-2 number, since 2×2152025251² = 9262425361883226002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152025221) 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, 12089941 + ... + 12090118.

It is an arithmetic number, because the mean of its divisors is an integer number (544051350).

Almost surely, 2^2152025251 is an apocalyptic number.

2152025251 is a deficient number, since it is larger than the sum of its proper divisors (24180149).

2152025251 is an equidigital number, since it uses as much as digits as its factorization.

2152025251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24180148.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 2152025251 is about 46389.9261801525. The cubic root of 2152025251 is about 1291.0680118320.

Adding to 2152025251 its reverse (1525202512), we get a palindrome (3677227763).

The spelling of 2152025251 in words is "two billion, one hundred fifty-two million, twenty-five thousand, two hundred fifty-one".