213275386 has 4 divisors (see below), whose sum is σ = 319913082. Its totient is φ = 106637692.

The previous prime is 213275369. The next prime is 213275393. The reversal of 213275386 is 683572312.

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

It can be written as a sum of positive squares in only one way, i.e., 206353225 + 6922161 = 14365^2 + 2631^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53318845 + ... + 53318848.

Almost surely, 2^213275386 is an apocalyptic number.

213275386 is a deficient number, since it is larger than the sum of its proper divisors (106637696).

213275386 is a wasteful number, since it uses less digits than its factorization.

213275386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106637695.

The product of its digits is 60480, while the sum is 37.

The square root of 213275386 is about 14603.9510407287. The cubic root of 213275386 is about 597.4665268387.

The spelling of 213275386 in words is "two hundred thirteen million, two hundred seventy-five thousand, three hundred eighty-six".