25626563 has 2 divisors, whose sum is σ = 25626564. Its totient is φ = 25626562.

The previous prime is 25626551. The next prime is 25626569. The reversal of 25626563 is 36562652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25626563 - 2²² = 21432259 is a prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (25626569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12813281 + 12813282.

It is an arithmetic number, because the mean of its divisors is an integer number (12813282).

Almost surely, 2^25626563 is an apocalyptic number.

25626563 is a deficient number, since it is larger than the sum of its proper divisors (1).

25626563 is an equidigital number, since it uses as much as digits as its factorization.

25626563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 35.

The square root of 25626563 is about 5062.2685626110. The cubic root of 25626563 is about 294.8244210386.

The spelling of 25626563 in words is "twenty-five million, six hundred twenty-six thousand, five hundred sixty-three".