2073564281 has 2 divisors, whose sum is σ = 2073564282. Its totient is φ = 2073564280.

The previous prime is 2073564253. The next prime is 2073564319. The reversal of 2073564281 is 1824653702.

It is a happy number.

It is an a-pointer prime, because the next prime (2073564319) can be obtained adding 2073564281 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1297440400 + 776123881 = 36020^2 + 27859^2 .

It is a cyclic number.

It is not a de Polignac number, because 2073564281 - 2³⁰ = 999822457 is a prime.

It is a super-2 number, since 2×2073564281² = 8599337654878093922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2073564211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1036782140 + 1036782141.

It is an arithmetic number, because the mean of its divisors is an integer number (1036782141).

Almost surely, 2^2073564281 is an apocalyptic number.

It is an amenable number.

2073564281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2073564281 is an equidigital number, since it uses as much as digits as its factorization.

2073564281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 2073564281 is about 45536.4061054449. The cubic root of 2073564281 is about 1275.1829610054.

The spelling of 2073564281 in words is "two billion, seventy-three million, five hundred sixty-four thousand, two hundred eighty-one".