213388375 has 8 divisors (see below), whose sum is σ = 266308848. Its totient is φ = 170710600.

The previous prime is 213388363. The next prime is 213388379. The reversal of 213388375 is 573883312.

It is not a de Polignac number, because 213388375 - 2⁷ = 213388247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213388379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853429 + ... + 853678.

It is an arithmetic number, because the mean of its divisors is an integer number (33288606).

Almost surely, 2^213388375 is an apocalyptic number.

213388375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

213388375 is a deficient number, since it is larger than the sum of its proper divisors (52920473).

213388375 is an equidigital number, since it uses as much as digits as its factorization.

213388375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707122 (or 1707112 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 213388375 is about 14607.8189679363. The cubic root of 213388375 is about 597.5720167859.

The spelling of 213388375 in words is "two hundred thirteen million, three hundred eighty-eight thousand, three hundred seventy-five".