213705301 has 2 divisors, whose sum is σ = 213705302. Its totient is φ = 213705300.

The previous prime is 213705299. The next prime is 213705353. The reversal of 213705301 is 103507312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129982801 + 83722500 = 11401^2 + 9150^2 .

It is a cyclic number.

It is not a de Polignac number, because 213705301 - 2¹ = 213705299 is a prime.

Together with 213705299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213705601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106852650 + 106852651.

It is an arithmetic number, because the mean of its divisors is an integer number (106852651).

Almost surely, 2^213705301 is an apocalyptic number.

It is an amenable number.

213705301 is a deficient number, since it is larger than the sum of its proper divisors (1).

213705301 is an equidigital number, since it uses as much as digits as its factorization.

213705301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 213705301 is about 14618.6627637414. The cubic root of 213705301 is about 597.8677099120.

The spelling of 213705301 in words is "two hundred thirteen million, seven hundred five thousand, three hundred one".