2153249255 has 4 divisors (see below), whose sum is σ = 2583899112. Its totient is φ = 1722599400.

The previous prime is 2153249221. The next prime is 2153249261. The reversal of 2153249255 is 5529423512.

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

It is not a de Polignac number, because 2153249255 - 2¹⁶ = 2153183719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215324921 + ... + 215324930.

It is an arithmetic number, because the mean of its divisors is an integer number (645974778).

Almost surely, 2^2153249255 is an apocalyptic number.

2153249255 is a deficient number, since it is larger than the sum of its proper divisors (430649857).

2153249255 is an equidigital number, since it uses as much as digits as its factorization.

2153249255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430649856.

The product of its digits is 108000, while the sum is 38.

The square root of 2153249255 is about 46403.1168672967. The cubic root of 2153249255 is about 1291.3127383444.

The spelling of 2153249255 in words is "two billion, one hundred fifty-three million, two hundred forty-nine thousand, two hundred fifty-five".