24664513 has 2 divisors, whose sum is σ = 24664514. Its totient is φ = 24664512.

The previous prime is 24664457. The next prime is 24664531. The reversal of 24664513 is 31546642.

Together with next prime (24664531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24324624 + 339889 = 4932^2 + 583^2 .

It is a cyclic number.

It is not a de Polignac number, because 24664513 - 2¹⁷ = 24533441 is a prime.

It is not a weakly prime, because it can be changed into another prime (24664553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12332256 + 12332257.

It is an arithmetic number, because the mean of its divisors is an integer number (12332257).

Almost surely, 2^24664513 is an apocalyptic number.

It is an amenable number.

24664513 is a deficient number, since it is larger than the sum of its proper divisors (1).

24664513 is an equidigital number, since it uses as much as digits as its factorization.

24664513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 31.

The square root of 24664513 is about 4966.3379868873. The cubic root of 24664513 is about 291.0879191760.

The spelling of 24664513 in words is "twenty-four million, six hundred sixty-four thousand, five hundred thirteen".