213571082 has 4 divisors (see below), whose sum is σ = 320356626. Its totient is φ = 106785540.

The previous prime is 213571069. The next prime is 213571097. The reversal of 213571082 is 280175312.

213571082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 196588441 + 16982641 = 14021^2 + 4121^2 .

It is a super-2 number, since 2×213571082² = 91225214133301448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53392769 + ... + 53392772.

Almost surely, 2^213571082 is an apocalyptic number.

213571082 is a deficient number, since it is larger than the sum of its proper divisors (106785544).

213571082 is a wasteful number, since it uses less digits than its factorization.

213571082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106785543.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 213571082 is about 14614.0713697450. The cubic root of 213571082 is about 597.7425188020.

The spelling of 213571082 in words is "two hundred thirteen million, five hundred seventy-one thousand, eighty-two".