648095213 has 2 divisors, whose sum is σ = 648095214. Its totient is φ = 648095212.

The previous prime is 648095177. The next prime is 648095237. The reversal of 648095213 is 312590846.

It is a happy number.

648095213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 452710729 + 195384484 = 21277^2 + 13978^2 .

It is a cyclic number.

It is not a de Polignac number, because 648095213 - 2¹⁴ = 648078829 is a prime.

It is a super-2 number, since 2×648095213² = 840054810227030738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (648095243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324047606 + 324047607.

It is an arithmetic number, because the mean of its divisors is an integer number (324047607).

Almost surely, 2^648095213 is an apocalyptic number.

It is an amenable number.

648095213 is a deficient number, since it is larger than the sum of its proper divisors (1).

648095213 is an equidigital number, since it uses as much as digits as its factorization.

648095213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 648095213 is about 25457.7142139667. The cubic root of 648095213 is about 865.3921231052.

The spelling of 648095213 in words is "six hundred forty-eight million, ninety-five thousand, two hundred thirteen".