24221011253 has 2 divisors, whose sum is σ = 24221011254. Its totient is φ = 24221011252.

The previous prime is 24221011223. The next prime is 24221011271. The reversal of 24221011253 is 35211012242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15138349444 + 9082661809 = 123038^2 + 95303^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24221011253 is a prime.

It is a super-2 number, since 2×24221011253² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24221011223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12110505626 + 12110505627.

It is an arithmetic number, because the mean of its divisors is an integer number (12110505627).

Almost surely, 2^24221011253 is an apocalyptic number.

It is an amenable number.

24221011253 is a deficient number, since it is larger than the sum of its proper divisors (1).

24221011253 is an equidigital number, since it uses as much as digits as its factorization.

24221011253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 24221011253 its reverse (35211012242), we get a palindrome (59432023495).

The spelling of 24221011253 in words is "twenty-four billion, two hundred twenty-one million, eleven thousand, two hundred fifty-three".