25664363 has 2 divisors, whose sum is σ = 25664364. Its totient is φ = 25664362.

The previous prime is 25664323. The next prime is 25664371. The reversal of 25664363 is 36346652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25664363 - 2¹⁶ = 25598827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25664323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12832181 + 12832182.

It is an arithmetic number, because the mean of its divisors is an integer number (12832182).

Almost surely, 2^25664363 is an apocalyptic number.

25664363 is a deficient number, since it is larger than the sum of its proper divisors (1).

25664363 is an equidigital number, since it uses as much as digits as its factorization.

25664363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 35.

The square root of 25664363 is about 5066.0006908803. Note that the first 3 decimals coincide. The cubic root of 25664363 is about 294.9693083075.

The spelling of 25664363 in words is "twenty-five million, six hundred sixty-four thousand, three hundred sixty-three".