213500374 has 4 divisors (see below), whose sum is σ = 320250564. Its totient is φ = 106750186.

The previous prime is 213500369. The next prime is 213500381. The reversal of 213500374 is 473005312.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53375092 + ... + 53375095.

It is an arithmetic number, because the mean of its divisors is an integer number (80062641).

Almost surely, 2^213500374 is an apocalyptic number.

213500374 is a deficient number, since it is larger than the sum of its proper divisors (106750190).

213500374 is a wasteful number, since it uses less digits than its factorization.

213500374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106750189.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 213500374 is about 14611.6519942134. The cubic root of 213500374 is about 597.6765456956.

Adding to 213500374 its reverse (473005312), we get a palindrome (686505686).

The spelling of 213500374 in words is "two hundred thirteen million, five hundred thousand, three hundred seventy-four".