213466546 has 4 divisors (see below), whose sum is σ = 320199822. Its totient is φ = 106733272.

The previous prime is 213466537. The next prime is 213466567. The reversal of 213466546 is 645664312.

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., 169390225 + 44076321 = 13015^2 + 6639^2 .

It is a super-2 number, since 2×213466546² = 91135932522340232, 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, 53366635 + ... + 53366638.

Almost surely, 2^213466546 is an apocalyptic number.

213466546 is a deficient number, since it is larger than the sum of its proper divisors (106733276).

213466546 is a wasteful number, since it uses less digits than its factorization.

213466546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106733275.

The product of its digits is 103680, while the sum is 37.

The square root of 213466546 is about 14610.4943790414. The cubic root of 213466546 is about 597.6449778038.

The spelling of 213466546 in words is "two hundred thirteen million, four hundred sixty-six thousand, five hundred forty-six".