2152012255 has 4 divisors (see below), whose sum is σ = 2582414712. Its totient is φ = 1721609800.

The previous prime is 2152012253. The next prime is 2152012307. The reversal of 2152012255 is 5522102512.

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

It is not a de Polignac number, because 2152012255 - 2¹ = 2152012253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152012253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215201221 + ... + 215201230.

It is an arithmetic number, because the mean of its divisors is an integer number (645603678).

Almost surely, 2^2152012255 is an apocalyptic number.

2152012255 is a deficient number, since it is larger than the sum of its proper divisors (430402457).

2152012255 is an equidigital number, since it uses as much as digits as its factorization.

2152012255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430402456.

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

The square root of 2152012255 is about 46389.7861064265. The cubic root of 2152012255 is about 1291.0654129230.

Adding to 2152012255 its reverse (5522102512), we get a palindrome (7674114767).

The spelling of 2152012255 in words is "two billion, one hundred fifty-two million, twelve thousand, two hundred fifty-five".