213377801 has 12 divisors (see below), whose sum is σ = 267309252. Its totient is φ = 168825888.

The previous prime is 213377797. The next prime is 213377803. The reversal of 213377801 is 108773312.

It can be written as a sum of positive squares in 2 ways, for example, as 72931600 + 140446201 = 8540^2 + 11851^2 .

It is not a de Polignac number, because 213377801 - 2² = 213377797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213377803) 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, 166850 + ... + 168123.

It is an arithmetic number, because the mean of its divisors is an integer number (22275771).

Almost surely, 2^213377801 is an apocalyptic number.

It is an amenable number.

213377801 is a deficient number, since it is larger than the sum of its proper divisors (53931451).

213377801 is a wasteful number, since it uses less digits than its factorization.

213377801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335000 (or 334993 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 213377801 is about 14607.4570339947. The cubic root of 213377801 is about 597.5621461593.

The spelling of 213377801 in words is "two hundred thirteen million, three hundred seventy-seven thousand, eight hundred one".