213607001 has 2 divisors, whose sum is σ = 213607002. Its totient is φ = 213607000.

The previous prime is 213606997. The next prime is 213607027. The reversal of 213607001 is 100706312.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187032976 + 26574025 = 13676^2 + 5155^2 .

It is a cyclic number.

It is not a de Polignac number, because 213607001 - 2² = 213606997 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (213601001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106803500 + 106803501.

It is an arithmetic number, because the mean of its divisors is an integer number (106803501).

Almost surely, 2^213607001 is an apocalyptic number.

It is an amenable number.

213607001 is a deficient number, since it is larger than the sum of its proper divisors (1).

213607001 is an equidigital number, since it uses as much as digits as its factorization.

213607001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 213607001 is about 14615.3002363961. The cubic root of 213607001 is about 597.7760269433.

The spelling of 213607001 in words is "two hundred thirteen million, six hundred seven thousand, one".