11641253 has 8 divisors (see below), whose sum is σ = 12843096. Its totient is φ = 10483200.

The previous prime is 11641249. The next prime is 11641313. The reversal of 11641253 is 35214611.

It can be written as a sum of positive squares in 4 ways, for example, as 2411809 + 9229444 = 1553^2 + 3038^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11641253 - 2² = 11641249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11641153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10388 + ... + 11453.

It is an arithmetic number, because the mean of its divisors is an integer number (1605387).

Almost surely, 2^11641253 is an apocalyptic number.

11641253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11641253 is a deficient number, since it is larger than the sum of its proper divisors (1201843).

11641253 is a wasteful number, since it uses less digits than its factorization.

11641253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21895.

The product of its digits is 720, while the sum is 23.

The square root of 11641253 is about 3411.9280473070. The cubic root of 11641253 is about 226.6382680204.

Adding to 11641253 its reverse (35214611), we get a palindrome (46855864).

The spelling of 11641253 in words is "eleven million, six hundred forty-one thousand, two hundred fifty-three".