2650271521 has 2 divisors, whose sum is σ = 2650271522. Its totient is φ = 2650271520.

The previous prime is 2650271513. The next prime is 2650271573. The reversal of 2650271521 is 1251720562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2113700625 + 536570896 = 45975^2 + 23164^2 .

It is a cyclic number.

It is not a de Polignac number, because 2650271521 - 2³ = 2650271513 is a prime.

It is not a weakly prime, because it can be changed into another prime (2650271501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325135760 + 1325135761.

It is an arithmetic number, because the mean of its divisors is an integer number (1325135761).

Almost surely, 2^2650271521 is an apocalyptic number.

It is an amenable number.

2650271521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2650271521 is an equidigital number, since it uses as much as digits as its factorization.

2650271521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 2650271521 is about 51480.7878824713. The cubic root of 2650271521 is about 1383.8747647005.

The spelling of 2650271521 in words is "two billion, six hundred fifty million, two hundred seventy-one thousand, five hundred twenty-one".