213867375 has 32 divisors (see below), whose sum is σ = 357157632. Its totient is φ = 113652000.

The previous prime is 213867371. The next prime is 213867377. The reversal of 213867375 is 573768312.

It is not a de Polignac number, because 213867375 - 2² = 213867371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213867371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123264 + ... + 124986.

It is an arithmetic number, because the mean of its divisors is an integer number (11161176).

Almost surely, 2^213867375 is an apocalyptic number.

213867375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

213867375 is a deficient number, since it is larger than the sum of its proper divisors (143290257).

213867375 is a wasteful number, since it uses less digits than its factorization.

213867375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072 (or 2062 counting only the distinct ones).

The product of its digits is 211680, while the sum is 42.

The square root of 213867375 is about 14624.2051066032. The cubic root of 213867375 is about 598.0188125833.

The spelling of 213867375 in words is "two hundred thirteen million, eight hundred sixty-seven thousand, three hundred seventy-five".