1001302253 has 4 divisors (see below), whose sum is σ = 1144345440. Its totient is φ = 858259068.

The previous prime is 1001302249. The next prime is 1001302259. The reversal of 1001302253 is 3522031001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3522031001 = 55931 ⋅62971.

It is a cyclic number.

It is not a de Polignac number, because 1001302253 - 2² = 1001302249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001302259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71521583 + ... + 71521596.

It is an arithmetic number, because the mean of its divisors is an integer number (286086360).

Almost surely, 2^1001302253 is an apocalyptic number.

It is an amenable number.

1001302253 is a deficient number, since it is larger than the sum of its proper divisors (143043187).

1001302253 is an equidigital number, since it uses as much as digits as its factorization.

1001302253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143043186.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1001302253 is about 31643.3603304074. The cubic root of 1001302253 is about 1000.4338960403.

Adding to 1001302253 its reverse (3522031001), we get a palindrome (4523333254).

The spelling of 1001302253 in words is "one billion, one million, three hundred two thousand, two hundred fifty-three".