213167401 has 4 divisors (see below), whose sum is σ = 216349072. Its totient is φ = 209985732.

The previous prime is 213167399. The next prime is 213167417. The reversal of 213167401 is 104761312.

213167401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213167401 - 2¹ = 213167399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213177401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1590735 + ... + 1590868.

It is an arithmetic number, because the mean of its divisors is an integer number (54087268).

Almost surely, 2^213167401 is an apocalyptic number.

It is an amenable number.

213167401 is a deficient number, since it is larger than the sum of its proper divisors (3181671).

213167401 is an equidigital number, since it uses as much as digits as its factorization.

213167401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181670.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 213167401 is about 14600.2534567041. The cubic root of 213167401 is about 597.3656739525.

The spelling of 213167401 in words is "two hundred thirteen million, one hundred sixty-seven thousand, four hundred one".