25017413 has 2 divisors, whose sum is σ = 25017414. Its totient is φ = 25017412.

The previous prime is 25017407. The next prime is 25017427. The reversal of 25017413 is 31471052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24137569 + 879844 = 4913^2 + 938^2 .

It is a cyclic number.

It is not a de Polignac number, because 25017413 - 2¹⁰ = 25016389 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25017313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12508706 + 12508707.

It is an arithmetic number, because the mean of its divisors is an integer number (12508707).

Almost surely, 2^25017413 is an apocalyptic number.

It is an amenable number.

25017413 is a deficient number, since it is larger than the sum of its proper divisors (1).

25017413 is an equidigital number, since it uses as much as digits as its factorization.

25017413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 25017413 is about 5001.7409968930. The cubic root of 25017413 is about 292.4696459601.

Adding to 25017413 its reverse (31471052), we get a palindrome (56488465).

The spelling of 25017413 in words is "twenty-five million, seventeen thousand, four hundred thirteen".