24797189 has 2 divisors, whose sum is σ = 24797190. Its totient is φ = 24797188.

The previous prime is 24797167. The next prime is 24797209. The reversal of 24797189 is 98179742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15737089 + 9060100 = 3967^2 + 3010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24797189 is a prime.

It is a super-2 number, since 2×24797189² = 1229801164603442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24797119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12398594 + 12398595.

It is an arithmetic number, because the mean of its divisors is an integer number (12398595).

Almost surely, 2^24797189 is an apocalyptic number.

It is an amenable number.

24797189 is a deficient number, since it is larger than the sum of its proper divisors (1).

24797189 is an equidigital number, since it uses as much as digits as its factorization.

24797189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 47.

The square root of 24797189 is about 4979.6776000058. The cubic root of 24797189 is about 291.6089286889.

The spelling of 24797189 in words is "twenty-four million, seven hundred ninety-seven thousand, one hundred eighty-nine".