24875281 has 2 divisors, whose sum is σ = 24875282. Its totient is φ = 24875280.

The previous prime is 24875269. The next prime is 24875303. The reversal of 24875281 is 18257842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23435281 + 1440000 = 4841^2 + 1200^2 .

It is a cyclic number.

It is not a de Polignac number, because 24875281 - 2⁷ = 24875153 is a prime.

It is a super-2 number, since 2×24875281² = 1237559209657922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 24875281.

It is not a weakly prime, because it can be changed into another prime (24875381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12437640 + 12437641.

It is an arithmetic number, because the mean of its divisors is an integer number (12437641).

Almost surely, 2^24875281 is an apocalyptic number.

It is an amenable number.

24875281 is a deficient number, since it is larger than the sum of its proper divisors (1).

24875281 is an equidigital number, since it uses as much as digits as its factorization.

24875281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35840, while the sum is 37.

The square root of 24875281 is about 4987.5125062500. The cubic root of 24875281 is about 291.9147222356.

The spelling of 24875281 in words is "twenty-four million, eight hundred seventy-five thousand, two hundred eighty-one".