213604995 has 16 divisors (see below), whose sum is σ = 341949600. Its totient is φ = 113862144.

The previous prime is 213604969. The next prime is 213604997. The reversal of 213604995 is 599406312.

It is not a de Polignac number, because 213604995 - 2⁶ = 213604931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213604997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50731 + ... + 54779.

It is an arithmetic number, because the mean of its divisors is an integer number (21371850).

Almost surely, 2^213604995 is an apocalyptic number.

213604995 is a deficient number, since it is larger than the sum of its proper divisors (128344605).

213604995 is a wasteful number, since it uses less digits than its factorization.

213604995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7574.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 213604995 is about 14615.2316095230. The cubic root of 213604995 is about 597.7741556837.

The spelling of 213604995 in words is "two hundred thirteen million, six hundred four thousand, nine hundred ninety-five".