24361261 has 2 divisors, whose sum is σ = 24361262. Its totient is φ = 24361260.

The previous prime is 24361243. The next prime is 24361273. The reversal of 24361261 is 16216342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20385225 + 3976036 = 4515^2 + 1994^2 .

It is a cyclic number.

It is not a de Polignac number, because 24361261 - 2⁵ = 24361229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24361061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12180630 + 12180631.

It is an arithmetic number, because the mean of its divisors is an integer number (12180631).

Almost surely, 2^24361261 is an apocalyptic number.

It is an amenable number.

24361261 is a deficient number, since it is larger than the sum of its proper divisors (1).

24361261 is an equidigital number, since it uses as much as digits as its factorization.

24361261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 24361261 is about 4935.7128157947. The cubic root of 24361261 is about 289.8900137811.

It can be divided in two parts, 243 and 61261, that added together give a square (61504 = 248²).

The spelling of 24361261 in words is "twenty-four million, three hundred sixty-one thousand, two hundred sixty-one".