213462609 has 12 divisors (see below), whose sum is σ = 297531696. Its totient is φ = 136120072.

The previous prime is 213462589. The next prime is 213462629. The reversal of 213462609 is 906264312.

213462609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213462589) and next prime (213462629).

It is not a de Polignac number, because 213462609 - 2⁷ = 213462481 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 213462609.

It is not an unprimeable number, because it can be changed into a prime (213462629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65667 + ... + 68840.

It is an arithmetic number, because the mean of its divisors is an integer number (24794308).

Almost surely, 2^213462609 is an apocalyptic number.

It is an amenable number.

213462609 is a deficient number, since it is larger than the sum of its proper divisors (84069087).

213462609 is a wasteful number, since it uses less digits than its factorization.

213462609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134556 (or 134533 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 213462609 is about 14610.3596464974. The cubic root of 213462609 is about 597.6413036250.

The spelling of 213462609 in words is "two hundred thirteen million, four hundred sixty-two thousand, six hundred nine".