286225000021 has 2 divisors, whose sum is σ = 286225000022. Its totient is φ = 286225000020.

The previous prime is 286224999961. The next prime is 286225000051. The reversal of 286225000021 is 120000522682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 275876007121 + 10348992900 = 525239^2 + 101730^2 .

It is a cyclic number.

It is not a de Polignac number, because 286225000021 - 2¹¹ = 286224997973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (286225000051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143112500010 + 143112500011.

It is an arithmetic number, because the mean of its divisors is an integer number (143112500011).

Almost surely, 2^286225000021 is an apocalyptic number.

It is an amenable number.

286225000021 is a deficient number, since it is larger than the sum of its proper divisors (1).

286225000021 is an equidigital number, since it uses as much as digits as its factorization.

286225000021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 286225000021 in words is "two hundred eighty-six billion, two hundred twenty-five million, twenty-one", and thus it is an aban number.