24161261 has 2 divisors, whose sum is σ = 24161262. Its totient is φ = 24161260.

The previous prime is 24161257. The next prime is 24161273. The reversal of 24161261 is 16216142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16152361 + 8008900 = 4019^2 + 2830^2 .

It is a cyclic number.

It is not a de Polignac number, because 24161261 - 2² = 24161257 is a prime.

It is a super-2 number, since 2×24161261² = 1167533066220242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24161231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12080630 + 12080631.

It is an arithmetic number, because the mean of its divisors is an integer number (12080631).

Almost surely, 2^24161261 is an apocalyptic number.

It is an amenable number.

24161261 is a deficient number, since it is larger than the sum of its proper divisors (1).

24161261 is an equidigital number, since it uses as much as digits as its factorization.

24161261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 23.

The square root of 24161261 is about 4915.4105627099. The cubic root of 24161261 is about 289.0945241423.

The spelling of 24161261 in words is "twenty-four million, one hundred sixty-one thousand, two hundred sixty-one".