24764989 has 2 divisors, whose sum is σ = 24764990. Its totient is φ = 24764988.

The previous prime is 24764983. The next prime is 24765017. The reversal of 24764989 is 98946742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12744900 + 12020089 = 3570^2 + 3467^2 .

It is a cyclic number.

It is not a de Polignac number, because 24764989 - 2³ = 24764981 is a prime.

It is a super-2 number, since 2×24764989² = 1226609360340242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24764981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12382494 + 12382495.

It is an arithmetic number, because the mean of its divisors is an integer number (12382495).

Almost surely, 2^24764989 is an apocalyptic number.

It is an amenable number.

24764989 is a deficient number, since it is larger than the sum of its proper divisors (1).

24764989 is an equidigital number, since it uses as much as digits as its factorization.

24764989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 49.

The square root of 24764989 is about 4976.4434087006. The cubic root of 24764989 is about 291.4826526183.

The spelling of 24764989 in words is "twenty-four million, seven hundred sixty-four thousand, nine hundred eighty-nine".