24780089 has 2 divisors, whose sum is σ = 24780090. Its totient is φ = 24780088.

The previous prime is 24780073. The next prime is 24780103. The reversal of 24780089 is 98008742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20748025 + 4032064 = 4555^2 + 2008^2 .

It is a cyclic number.

It is not a de Polignac number, because 24780089 - 2⁴ = 24780073 is a prime.

It is a super-2 number, since 2×24780089² = 1228105621695842, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (24780589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12390044 + 12390045.

It is an arithmetic number, because the mean of its divisors is an integer number (12390045).

Almost surely, 2^24780089 is an apocalyptic number.

It is an amenable number.

24780089 is a deficient number, since it is larger than the sum of its proper divisors (1).

24780089 is an equidigital number, since it uses as much as digits as its factorization.

24780089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 24780089 is about 4977.9603252738. The cubic root of 24780089 is about 291.5418826574.

The spelling of 24780089 in words is "twenty-four million, seven hundred eighty thousand, eighty-nine".