213279801 has 16 divisors (see below), whose sum is σ = 331632000. Its totient is φ = 121873584.

The previous prime is 213279797. The next prime is 213279839. The reversal of 213279801 is 108972312.

213279801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213279801 - 2² = 213279797 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213279301) 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, 102606 + ... + 104663.

It is an arithmetic number, because the mean of its divisors is an integer number (20727000).

Almost surely, 2^213279801 is an apocalyptic number.

213279801 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

213279801 is a deficient number, since it is larger than the sum of its proper divisors (118352199).

213279801 is an equidigital number, since it uses as much as digits as its factorization.

213279801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207293 (or 207279 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 213279801 is about 14604.1021976704. The cubic root of 213279801 is about 597.4706495156.

The spelling of 213279801 in words is "two hundred thirteen million, two hundred seventy-nine thousand, eight hundred one".