3287005021 has 2 divisors, whose sum is σ = 3287005022. Its totient is φ = 3287005020.

The previous prime is 3287005013. The next prime is 3287005031. The reversal of 3287005021 is 1205007823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2009728900 + 1277276121 = 44830^2 + 35739^2 .

It is a cyclic number.

It is not a de Polignac number, because 3287005021 - 2³ = 3287005013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3287005031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1643502510 + 1643502511.

It is an arithmetic number, because the mean of its divisors is an integer number (1643502511).

Almost surely, 2^3287005021 is an apocalyptic number.

It is an amenable number.

3287005021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3287005021 is an equidigital number, since it uses as much as digits as its factorization.

3287005021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 3287005021 is about 57332.4081214107. The cubic root of 3287005021 is about 1486.8487400311.

The spelling of 3287005021 in words is "three billion, two hundred eighty-seven million, five thousand, twenty-one".