25620221383 has 2 divisors, whose sum is σ = 25620221384. Its totient is φ = 25620221382.

The previous prime is 25620221351. The next prime is 25620221411. The reversal of 25620221383 is 38312202652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25620221383 - 2⁵ = 25620221351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25620221323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12810110691 + 12810110692.

It is an arithmetic number, because the mean of its divisors is an integer number (12810110692).

Almost surely, 2^25620221383 is an apocalyptic number.

25620221383 is a deficient number, since it is larger than the sum of its proper divisors (1).

25620221383 is an equidigital number, since it uses as much as digits as its factorization.

25620221383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 25620221383 in words is "twenty-five billion, six hundred twenty million, two hundred twenty-one thousand, three hundred eighty-three".