24289121 has 2 divisors, whose sum is σ = 24289122. Its totient is φ = 24289120.

The previous prime is 24289117. The next prime is 24289123. The reversal of 24289121 is 12198242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23814400 + 474721 = 4880^2 + 689^2 .

It is a cyclic number.

It is not a de Polignac number, because 24289121 - 2² = 24289117 is a prime.

It is a super-2 number, since 2×24289121² = 1179922797905282, which contains 22 as substring.

Together with 24289123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (24289123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12144560 + 12144561.

It is an arithmetic number, because the mean of its divisors is an integer number (12144561).

Almost surely, 2^24289121 is an apocalyptic number.

It is an amenable number.

24289121 is a deficient number, since it is larger than the sum of its proper divisors (1).

24289121 is an equidigital number, since it uses as much as digits as its factorization.

24289121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 29.

The square root of 24289121 is about 4928.3994359224. The cubic root of 24289121 is about 289.6035844069.

The spelling of 24289121 in words is "twenty-four million, two hundred eighty-nine thousand, one hundred twenty-one".