214661995 has 4 divisors (see below), whose sum is σ = 257594400. Its totient is φ = 171729592.

The previous prime is 214661963. The next prime is 214661999. The reversal of 214661995 is 599166412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 214661995 - 2⁵ = 214661963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214661999) 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, 21466195 + ... + 21466204.

It is an arithmetic number, because the mean of its divisors is an integer number (64398600).

Almost surely, 2^214661995 is an apocalyptic number.

214661995 is a deficient number, since it is larger than the sum of its proper divisors (42932405).

214661995 is an equidigital number, since it uses as much as digits as its factorization.

214661995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42932404.

The product of its digits is 116640, while the sum is 43.

The square root of 214661995 is about 14651.3478902113. The cubic root of 214661995 is about 598.7585395464.

The spelling of 214661995 in words is "two hundred fourteen million, six hundred sixty-one thousand, nine hundred ninety-five".