24869489 has 2 divisors, whose sum is σ = 24869490. Its totient is φ = 24869488.

The previous prime is 24869479. The next prime is 24869497. The reversal of 24869489 is 98496842.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21086464 + 3783025 = 4592^2 + 1945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24869489 is a prime.

It is a super-2 number, since 2×24869489² = 1236982966242242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (24869479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12434744 + 12434745.

It is an arithmetic number, because the mean of its divisors is an integer number (12434745).

Almost surely, 2^24869489 is an apocalyptic number.

It is an amenable number.

24869489 is a deficient number, since it is larger than the sum of its proper divisors (1).

24869489 is an equidigital number, since it uses as much as digits as its factorization.

24869489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 50.

The square root of 24869489 is about 4986.9318222731. The cubic root of 24869489 is about 291.8920638475.

The spelling of 24869489 in words is "twenty-four million, eight hundred sixty-nine thousand, four hundred eighty-nine".