648000371 has 2 divisors, whose sum is σ = 648000372. Its totient is φ = 648000370.

The previous prime is 648000337. The next prime is 648000433. The reversal of 648000371 is 173000846.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 648000371 - 2⁶ = 648000307 is a prime.

It is a super-2 number, since 2×648000371² = 839808961632275282, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (648000971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324000185 + 324000186.

It is an arithmetic number, because the mean of its divisors is an integer number (324000186).

Almost surely, 2^648000371 is an apocalyptic number.

648000371 is a deficient number, since it is larger than the sum of its proper divisors (1).

648000371 is an equidigital number, since it uses as much as digits as its factorization.

648000371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 648000371 is about 25455.8514098429. The cubic root of 648000371 is about 865.3499073309.

The spelling of 648000371 in words is "six hundred forty-eight million, three hundred seventy-one", and thus it is an aban number.