1001505253 has 8 divisors (see below), whose sum is σ = 1150571520. Its totient is φ = 853937520.

The previous prime is 1001505203. The next prime is 1001505269. The reversal of 1001505253 is 3525051001.

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 1001505253 - 2¹³ = 1001497061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001505203) 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 7 ways as a sum of consecutive naturals, for example, 373198 + ... + 375871.

It is an arithmetic number, because the mean of its divisors is an integer number (143821440).

Almost surely, 2^1001505253 is an apocalyptic number.

It is an amenable number.

1001505253 is a deficient number, since it is larger than the sum of its proper divisors (149066267).

1001505253 is an equidigital number, since it uses as much as digits as its factorization.

1001505253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749267.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 1001505253 is about 31646.5677917843. The cubic root of 1001505253 is about 1000.5014994563.

Adding to 1001505253 its reverse (3525051001), we get a palindrome (4526556254).

The spelling of 1001505253 in words is "one billion, one million, five hundred five thousand, two hundred fifty-three".