213183701 has 2 divisors, whose sum is σ = 213183702. Its totient is φ = 213183700.

The previous prime is 213183679. The next prime is 213183713. The reversal of 213183701 is 107381312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213130801 + 52900 = 14599^2 + 230^2 .

It is a cyclic number.

It is not a de Polignac number, because 213183701 - 2²² = 208989397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213183721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106591850 + 106591851.

It is an arithmetic number, because the mean of its divisors is an integer number (106591851).

Almost surely, 2^213183701 is an apocalyptic number.

It is an amenable number.

213183701 is a deficient number, since it is larger than the sum of its proper divisors (1).

213183701 is an equidigital number, since it uses as much as digits as its factorization.

213183701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 213183701 is about 14600.8116555211. The cubic root of 213183701 is about 597.3808995643.

The spelling of 213183701 in words is "two hundred thirteen million, one hundred eighty-three thousand, seven hundred one".