24899489 has 2 divisors, whose sum is σ = 24899490. Its totient is φ = 24899488.

The previous prime is 24899473. The next prime is 24899491. The reversal of 24899489 is 98499842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16443025 + 8456464 = 4055^2 + 2908^2 .

It is a cyclic number.

It is not a de Polignac number, because 24899489 - 2⁴ = 24899473 is a prime.

It is a super-2 number, since 2×24899489² = 1239969104922242, which contains 22 as substring.

Together with 24899491, 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 24899489.

It is not a weakly prime, because it can be changed into another prime (24899449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12449744 + 12449745.

It is an arithmetic number, because the mean of its divisors is an integer number (12449745).

Almost surely, 2^24899489 is an apocalyptic number.

It is an amenable number.

24899489 is a deficient number, since it is larger than the sum of its proper divisors (1).

24899489 is an equidigital number, since it uses as much as digits as its factorization.

24899489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 53.

The square root of 24899489 is about 4989.9387771795. The cubic root of 24899489 is about 292.0093862311.

The spelling of 24899489 in words is "twenty-four million, eight hundred ninety-nine thousand, four hundred eighty-nine".