21325422452287 has 2 divisors, whose sum is σ = 21325422452288. Its totient is φ = 21325422452286.

The previous prime is 21325422452267. The next prime is 21325422452317. The reversal of 21325422452287 is 78225422452312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21325422452287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21325422452287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21325422452267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10662711226143 + 10662711226144.

It is an arithmetic number, because the mean of its divisors is an integer number (10662711226144).

Almost surely, 2^{21325422452287} is an apocalyptic number.

21325422452287 is a deficient number, since it is larger than the sum of its proper divisors (1).

21325422452287 is an equidigital number, since it uses as much as digits as its factorization.

21325422452287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4300800, while the sum is 49.

The spelling of 21325422452287 in words is "twenty-one trillion, three hundred twenty-five billion, four hundred twenty-two million, four hundred fifty-two thousand, two hundred eighty-seven".