24990517 has 2 divisors, whose sum is σ = 24990518. Its totient is φ = 24990516.

The previous prime is 24990487. The next prime is 24990533. The reversal of 24990517 is 71509942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24860196 + 130321 = 4986^2 + 361^2 .

It is a cyclic number.

It is not a de Polignac number, because 24990517 - 2⁷ = 24990389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24990587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12495258 + 12495259.

It is an arithmetic number, because the mean of its divisors is an integer number (12495259).

Almost surely, 2^24990517 is an apocalyptic number.

It is an amenable number.

24990517 is a deficient number, since it is larger than the sum of its proper divisors (1).

24990517 is an equidigital number, since it uses as much as digits as its factorization.

24990517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 24990517 is about 4999.0516100557. The cubic root of 24990517 is about 292.3647978654.

The spelling of 24990517 in words is "twenty-four million, nine hundred ninety thousand, five hundred seventeen".