25305463 has 2 divisors, whose sum is σ = 25305464. Its totient is φ = 25305462.

The previous prime is 25305443. The next prime is 25305479. The reversal of 25305463 is 36450352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25305463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25305403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12652731 + 12652732.

It is an arithmetic number, because the mean of its divisors is an integer number (12652732).

Almost surely, 2^25305463 is an apocalyptic number.

25305463 is a deficient number, since it is larger than the sum of its proper divisors (1).

25305463 is an equidigital number, since it uses as much as digits as its factorization.

25305463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 25305463 is about 5030.4535580800. The cubic root of 25305463 is about 293.5878617525.

The spelling of 25305463 in words is "twenty-five million, three hundred five thousand, four hundred sixty-three".