25690063 has 6 divisors (see below), whose sum is σ = 29884416. Its totient is φ = 22020012.

The previous prime is 25690039. The next prime is 25690069. The reversal of 25690063 is 36009652.

It is not a de Polignac number, because 25690063 - 2¹³ = 25681871 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25690069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 262095 + ... + 262192.

It is an arithmetic number, because the mean of its divisors is an integer number (4980736).

Almost surely, 2^25690063 is an apocalyptic number.

25690063 is a deficient number, since it is larger than the sum of its proper divisors (4194353).

25690063 is an equidigital number, since it uses as much as digits as its factorization.

25690063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524301 (or 524294 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 25690063 is about 5068.5365738051. The cubic root of 25690063 is about 295.0677350925.

The spelling of 25690063 in words is "twenty-five million, six hundred ninety thousand, sixty-three".