1164215253 has 12 divisors (see below), whose sum is σ = 1638287808. Its totient is φ = 735293160.

The previous prime is 1164215207. The next prime is 1164215279. The reversal of 1164215253 is 3525124611.

It is not a de Polignac number, because 1164215253 - 2⁹ = 1164214741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1164215253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164215203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 536413 + ... + 538578.

It is an arithmetic number, because the mean of its divisors is an integer number (136523984).

Almost surely, 2^1164215253 is an apocalyptic number.

It is an amenable number.

1164215253 is a deficient number, since it is larger than the sum of its proper divisors (474072555).

1164215253 is a wasteful number, since it uses less digits than its factorization.

1164215253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075032 (or 1075013 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 1164215253 is about 34120.5986612193. The cubic root of 1164215253 is about 1051.9887487532.

Adding to 1164215253 its reverse (3525124611), we get a palindrome (4689339864).

The spelling of 1164215253 in words is "one billion, one hundred sixty-four million, two hundred fifteen thousand, two hundred fifty-three".