213360445 has 16 divisors (see below), whose sum is σ = 265489920. Its totient is φ = 164433600.

The previous prime is 213360439. The next prime is 213360449. The reversal of 213360445 is 544063312.

It is not a de Polignac number, because 213360445 - 2²¹ = 211263293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213360449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32490 + ... + 38500.

It is an arithmetic number, because the mean of its divisors is an integer number (16593120).

Almost surely, 2^213360445 is an apocalyptic number.

It is an amenable number.

213360445 is a deficient number, since it is larger than the sum of its proper divisors (52129475).

213360445 is a wasteful number, since it uses less digits than its factorization.

213360445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6276.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 213360445 is about 14606.8629417819. The cubic root of 213360445 is about 597.5459439587.

The spelling of 213360445 in words is "two hundred thirteen million, three hundred sixty thousand, four hundred forty-five".