1066454213 has 4 divisors (see below), whose sum is σ = 1163404608. Its totient is φ = 969503820.

The previous prime is 1066454203. The next prime is 1066454227. The reversal of 1066454213 is 3124546601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1066454213 - 2¹⁶ = 1066388677 is a prime.

It is a super-2 number, since 2×1066454213² = 2274649176850898738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1066454213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066454203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48475181 + ... + 48475202.

It is an arithmetic number, because the mean of its divisors is an integer number (290851152).

Almost surely, 2^1066454213 is an apocalyptic number.

It is an amenable number.

1066454213 is a deficient number, since it is larger than the sum of its proper divisors (96950395).

1066454213 is an equidigital number, since it uses as much as digits as its factorization.

1066454213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96950394.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1066454213 is about 32656.6105559043. The cubic root of 1066454213 is about 1021.6780698336.

The spelling of 1066454213 in words is "one billion, sixty-six million, four hundred fifty-four thousand, two hundred thirteen".