213192061 has 4 divisors (see below), whose sum is σ = 213286624. Its totient is φ = 213097500.

The previous prime is 213192041. The next prime is 213192071. The reversal of 213192061 is 160291312.

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 213192061 - 2⁵ = 213192029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213192041) 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, 43815 + ... + 48436.

It is an arithmetic number, because the mean of its divisors is an integer number (53321656).

Almost surely, 2^213192061 is an apocalyptic number.

It is an amenable number.

213192061 is a deficient number, since it is larger than the sum of its proper divisors (94563).

213192061 is an equidigital number, since it uses as much as digits as its factorization.

213192061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94562.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 213192061 is about 14601.0979381689. The cubic root of 213192061 is about 597.3887082273.

The spelling of 213192061 in words is "two hundred thirteen million, one hundred ninety-two thousand, sixty-one".