214997 has 4 divisors (see below), whose sum is σ = 216480. Its totient is φ = 213516.

The previous prime is 214993. The next prime is 215051. The reversal of 214997 is 799412.

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 214997 - 2² = 214993 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 (214993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497 + ... + 822.

It is an arithmetic number, because the mean of its divisors is an integer number (54120).

2²¹⁴⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

214997 is a deficient number, since it is larger than the sum of its proper divisors (1483).

214997 is a wasteful number, since it uses less digits than its factorization.

214997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482.

The product of its digits is 4536, while the sum is 32.

The square root of 214997 is about 463.6776897803. The cubic root of 214997 is about 59.9069855092.

The spelling of 214997 in words is "two hundred fourteen thousand, nine hundred ninety-seven".