966637201 has 2 divisors, whose sum is σ = 966637202. Its totient is φ = 966637200.

The previous prime is 966637183. The next prime is 966637211. The reversal of 966637201 is 102736669.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 562828176 + 403809025 = 23724^2 + 20095^2 .

It is a cyclic number.

It is not a de Polignac number, because 966637201 - 2¹⁷ = 966506129 is a prime.

It is a super-2 number, since 2×966637201² = 1868774956714228802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (966637211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483318600 + 483318601.

It is an arithmetic number, because the mean of its divisors is an integer number (483318601).

Almost surely, 2^966637201 is an apocalyptic number.

It is an amenable number.

966637201 is a deficient number, since it is larger than the sum of its proper divisors (1).

966637201 is an equidigital number, since it uses as much as digits as its factorization.

966637201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 966637201 is about 31090.7896490263. The cubic root of 966637201 is about 988.7530472783.

The spelling of 966637201 in words is "nine hundred sixty-six million, six hundred thirty-seven thousand, two hundred one".