2152521255 has 8 divisors (see below), whose sum is σ = 3444034032. Its totient is φ = 1148011328.

The previous prime is 2152521227. The next prime is 2152521281. The reversal of 2152521255 is 5521252512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2152521255 - 2⁸ = 2152520999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71750694 + ... + 71750723.

It is an arithmetic number, because the mean of its divisors is an integer number (430504254).

Almost surely, 2^2152521255 is an apocalyptic number.

2152521255 is a deficient number, since it is larger than the sum of its proper divisors (1291512777).

2152521255 is a wasteful number, since it uses less digits than its factorization.

2152521255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143501425.

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

The square root of 2152521255 is about 46395.2719035033. The cubic root of 2152521255 is about 1291.1671937082.

Adding to 2152521255 its reverse (5521252512), we get a palindrome (7673773767).

The spelling of 2152521255 in words is "two billion, one hundred fifty-two million, five hundred twenty-one thousand, two hundred fifty-five".