24925913 has 2 divisors, whose sum is σ = 24925914. Its totient is φ = 24925912.

The previous prime is 24925903. The next prime is 24925921. The reversal of 24925913 is 31952942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15272464 + 9653449 = 3908^2 + 3107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24925913 is a prime.

It is a super-2 number, since 2×24925913² = 1242602277767138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (24925903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12462956 + 12462957.

It is an arithmetic number, because the mean of its divisors is an integer number (12462957).

Almost surely, 2^24925913 is an apocalyptic number.

It is an amenable number.

24925913 is a deficient number, since it is larger than the sum of its proper divisors (1).

24925913 is an equidigital number, since it uses as much as digits as its factorization.

24925913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 35.

The square root of 24925913 is about 4992.5858029682. The cubic root of 24925913 is about 292.1126457549.

It can be divided in two parts, 249 and 25913, that added together give a palindrome (26162).

The spelling of 24925913 in words is "twenty-four million, nine hundred twenty-five thousand, nine hundred thirteen".