213376903 has 2 divisors, whose sum is σ = 213376904. Its totient is φ = 213376902.

The previous prime is 213376901. The next prime is 213376907. The reversal of 213376903 is 309673312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213376903 - 2¹ = 213376901 is a prime.

Together with 213376901, 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 (213376901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106688451 + 106688452.

It is an arithmetic number, because the mean of its divisors is an integer number (106688452).

Almost surely, 2^213376903 is an apocalyptic number.

213376903 is a deficient number, since it is larger than the sum of its proper divisors (1).

213376903 is an equidigital number, since it uses as much as digits as its factorization.

213376903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 34.

The square root of 213376903 is about 14607.4262962371. The cubic root of 213376903 is about 597.5613078785.

The spelling of 213376903 in words is "two hundred thirteen million, three hundred seventy-six thousand, nine hundred three".