24917131 has 2 divisors, whose sum is σ = 24917132. Its totient is φ = 24917130.

The previous prime is 24917129. The next prime is 24917159. The reversal of 24917131 is 13171942.

It is an a-pointer prime, because the next prime (24917159) can be obtained adding 24917131 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 24917131 - 2¹ = 24917129 is a prime.

It is a super-2 number, since 2×24917131² = 1241726834542322, which contains 22 as substring.

Together with 24917129, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 24917131.

It is not a weakly prime, because it can be changed into another prime (24917161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12458565 + 12458566.

It is an arithmetic number, because the mean of its divisors is an integer number (12458566).

Almost surely, 2^24917131 is an apocalyptic number.

24917131 is a deficient number, since it is larger than the sum of its proper divisors (1).

24917131 is an equidigital number, since it uses as much as digits as its factorization.

24917131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 28.

The square root of 24917131 is about 4991.7062213235. The cubic root of 24917131 is about 292.0783356163.

The spelling of 24917131 in words is "twenty-four million, nine hundred seventeen thousand, one hundred thirty-one".