24725381 has 2 divisors, whose sum is σ = 24725382. Its totient is φ = 24725380.

The previous prime is 24725377. The next prime is 24725411. The reversal of 24725381 is 18352742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21077281 + 3648100 = 4591^2 + 1910^2 .

It is a cyclic number.

It is not a de Polignac number, because 24725381 - 2² = 24725377 is a prime.

It is a super-2 number, since 2×24725381² = 1222688931190322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24725681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12362690 + 12362691.

It is an arithmetic number, because the mean of its divisors is an integer number (12362691).

Almost surely, 2^24725381 is an apocalyptic number.

It is an amenable number.

24725381 is a deficient number, since it is larger than the sum of its proper divisors (1).

24725381 is an equidigital number, since it uses as much as digits as its factorization.

24725381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 32.

The square root of 24725381 is about 4972.4622673279. The cubic root of 24725381 is about 291.3271749902.

The spelling of 24725381 in words is "twenty-four million, seven hundred twenty-five thousand, three hundred eighty-one".