25620263 has 2 divisors, whose sum is σ = 25620264. Its totient is φ = 25620262.

The previous prime is 25620239. The next prime is 25620271. The reversal of 25620263 is 36202652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25620263 - 2¹² = 25616167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25620223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12810131 + 12810132.

It is an arithmetic number, because the mean of its divisors is an integer number (12810132).

Almost surely, 2^25620263 is an apocalyptic number.

25620263 is a deficient number, since it is larger than the sum of its proper divisors (1).

25620263 is an equidigital number, since it uses as much as digits as its factorization.

25620263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 25620263 is about 5061.6462736940. The cubic root of 25620263 is about 294.8002593113.

It can be divided in two parts, 2 and 5620263, that added together give a palindrome (5620265).

The spelling of 25620263 in words is "twenty-five million, six hundred twenty thousand, two hundred sixty-three".