662606201 has 2 divisors, whose sum is σ = 662606202. Its totient is φ = 662606200.

The previous prime is 662606179. The next prime is 662606213. The reversal of 662606201 is 102606266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 448422976 + 214183225 = 21176^2 + 14635^2 .

It is a cyclic number.

It is not a de Polignac number, because 662606201 - 2¹⁸ = 662344057 is a prime.

It is equal to p_34414661 and since 662606201 and 34414661 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (662606261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331303100 + 331303101.

It is an arithmetic number, because the mean of its divisors is an integer number (331303101).

Almost surely, 2^662606201 is an apocalyptic number.

It is an amenable number.

662606201 is a deficient number, since it is larger than the sum of its proper divisors (1).

662606201 is an equidigital number, since it uses as much as digits as its factorization.

662606201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 662606201 is about 25741.1383003938. The cubic root of 662606201 is about 871.8032799970.

The spelling of 662606201 in words is "six hundred sixty-two million, six hundred six thousand, two hundred one".