1087844253 has 16 divisors (see below), whose sum is σ = 1464765120. Its totient is φ = 718103936.

The previous prime is 1087844243. The next prime is 1087844287. The reversal of 1087844253 is 3524487801.

It is a cyclic number.

It is not a de Polignac number, because 1087844253 - 2⁴ = 1087844237 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087844243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169051 + ... + 175367.

It is an arithmetic number, because the mean of its divisors is an integer number (91547820).

Almost surely, 2^1087844253 is an apocalyptic number.

It is an amenable number.

1087844253 is a deficient number, since it is larger than the sum of its proper divisors (376920867).

1087844253 is a wasteful number, since it uses less digits than its factorization.

1087844253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6876.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 1087844253 is about 32982.4840331956. The cubic root of 1087844253 is about 1028.4635567897.

The spelling of 1087844253 in words is "one billion, eighty-seven million, eight hundred forty-four thousand, two hundred fifty-three".