25913753 has 2 divisors, whose sum is σ = 25913754. Its totient is φ = 25913752.

The previous prime is 25913747. The next prime is 25913761. The reversal of 25913753 is 35731952.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23687689 + 2226064 = 4867^2 + 1492^2 .

It is a cyclic number.

It is not a de Polignac number, because 25913753 - 2⁶ = 25913689 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (25913743) 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 as a sum of consecutive naturals, namely, 12956876 + 12956877.

It is an arithmetic number, because the mean of its divisors is an integer number (12956877).

Almost surely, 2^25913753 is an apocalyptic number.

It is an amenable number.

25913753 is a deficient number, since it is larger than the sum of its proper divisors (1).

25913753 is an equidigital number, since it uses as much as digits as its factorization.

25913753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28350, while the sum is 35.

The square root of 25913753 is about 5090.5552742309. Note that the first 3 decimals coincide. The cubic root of 25913753 is about 295.9216716593.

The spelling of 25913753 in words is "twenty-five million, nine hundred thirteen thousand, seven hundred fifty-three".