1001096253 has 20 divisors (see below), whose sum is σ = 1498498848. Its totient is φ = 666043560.

The previous prime is 1001096233. The next prime is 1001096333. The reversal of 1001096253 is 3526901001.

It is a de Polignac number, because none of the positive numbers 2^k-1001096253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001096233) 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 19 ways as a sum of consecutive naturals, for example, 28458 + ... + 53028.

Almost surely, 2^1001096253 is an apocalyptic number.

It is an amenable number.

1001096253 is a deficient number, since it is larger than the sum of its proper divisors (497402595).

1001096253 is an equidigital number, since it uses as much as digits as its factorization.

1001096253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25086 (or 25077 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 1001096253 is about 31640.1051357292. The cubic root of 1001096253 is about 1000.3652842179.

Adding to 1001096253 its reverse (3526901001), we get a palindrome (4527997254).

The spelling of 1001096253 in words is "one billion, one million, ninety-six thousand, two hundred fifty-three".