213461608 has 8 divisors (see below), whose sum is σ = 400240530. Its totient is φ = 106730800.

The previous prime is 213461593. The next prime is 213461609. The reversal of 213461608 is 806164312.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 109788484 + 103673124 = 10478^2 + 10182^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×213461608³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213461608.

It is not an unprimeable number, because it can be changed into a prime (213461609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13341343 + ... + 13341358.

Almost surely, 2^213461608 is an apocalyptic number.

It is an amenable number.

213461608 is a deficient number, since it is larger than the sum of its proper divisors (186778922).

213461608 is a wasteful number, since it uses less digits than its factorization.

213461608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26682707 (or 26682703 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 213461608 is about 14610.3253899426. The cubic root of 213461608 is about 597.6403694413.

The spelling of 213461608 in words is "two hundred thirteen million, four hundred sixty-one thousand, six hundred eight".