24981361 has 2 divisors, whose sum is σ = 24981362. Its totient is φ = 24981360.

The previous prime is 24981353. The next prime is 24981377. The reversal of 24981361 is 16318942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22896225 + 2085136 = 4785^2 + 1444^2 .

It is a cyclic number.

It is not a de Polignac number, because 24981361 - 2³ = 24981353 is a prime.

It is not a weakly prime, because it can be changed into another prime (24981331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12490680 + 12490681.

It is an arithmetic number, because the mean of its divisors is an integer number (12490681).

Almost surely, 2^24981361 is an apocalyptic number.

It is an amenable number.

24981361 is a deficient number, since it is larger than the sum of its proper divisors (1).

24981361 is an equidigital number, since it uses as much as digits as its factorization.

24981361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 34.

The square root of 24981361 is about 4998.1357524581. The cubic root of 24981361 is about 292.3290880656.

The spelling of 24981361 in words is "twenty-four million, nine hundred eighty-one thousand, three hundred sixty-one".