537666001 has 2 divisors, whose sum is σ = 537666002. Its totient is φ = 537666000.

The previous prime is 537665983. The next prime is 537666007. The reversal of 537666001 is 100666735.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 368640000 + 169026001 = 19200^2 + 13001^2 .

It is a cyclic number.

It is not a de Polignac number, because 537666001 - 2⁷ = 537665873 is a prime.

It is not a weakly prime, because it can be changed into another prime (537666007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268833000 + 268833001.

It is an arithmetic number, because the mean of its divisors is an integer number (268833001).

Almost surely, 2^537666001 is an apocalyptic number.

It is an amenable number.

537666001 is a deficient number, since it is larger than the sum of its proper divisors (1).

537666001 is an equidigital number, since it uses as much as digits as its factorization.

537666001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 537666001 is about 23187.6260320025. The cubic root of 537666001 is about 813.1503594751.

The spelling of 537666001 in words is "five hundred thirty-seven million, six hundred sixty-six thousand, one".