24131245 has 16 divisors (see below), whose sum is σ = 31088880. Its totient is φ = 17915904.

The previous prime is 24131243. The next prime is 24131249. The reversal of 24131245 is 54213142.

It can be written as a sum of positive squares in 8 ways, for example, as 1225449 + 22905796 = 1107^2 + 4786^2 .

It is a 7-Lehmer number, since φ(24131245) divides (24131245-1)⁷.

It is a cyclic number.

It is not a de Polignac number, because 24131245 - 2¹ = 24131243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24131243) 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 in 15 ways as a sum of consecutive naturals, for example, 4261 + ... + 8149.

It is an arithmetic number, because the mean of its divisors is an integer number (1943055).

Almost surely, 2^24131245 is an apocalyptic number.

It is an amenable number.

24131245 is a deficient number, since it is larger than the sum of its proper divisors (6957635).

24131245 is a wasteful number, since it uses less digits than its factorization.

24131245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3984.

The product of its digits is 960, while the sum is 22.

The square root of 24131245 is about 4912.3563592231. The cubic root of 24131245 is about 288.9747586341.

Adding to 24131245 its reverse (54213142), we get a palindrome (78344387).

The spelling of 24131245 in words is "twenty-four million, one hundred thirty-one thousand, two hundred forty-five".