213245375 has 16 divisors (see below), whose sum is σ = 304150080. Its totient is φ = 146224800.

The previous prime is 213245309. The next prime is 213245413. The reversal of 213245375 is 573542312.

It is not a de Polignac number, because 213245375 - 2¹⁰ = 213244351 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120980 + ... + 122729.

It is an arithmetic number, because the mean of its divisors is an integer number (19009380).

Almost surely, 2^213245375 is an apocalyptic number.

213245375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

213245375 is a deficient number, since it is larger than the sum of its proper divisors (90904705).

213245375 is an equidigital number, since it uses as much as digits as its factorization.

213245375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243731 (or 243721 counting only the distinct ones).

The product of its digits is 25200, while the sum is 32.

The square root of 213245375 is about 14602.9235086677. The cubic root of 213245375 is about 597.4385013996.

Adding to 213245375 its reverse (573542312), we get a palindrome (786787687).

The spelling of 213245375 in words is "two hundred thirteen million, two hundred forty-five thousand, three hundred seventy-five".