214961 has 4 divisors (see below), whose sum is σ = 217152. Its totient is φ = 212772.

The previous prime is 214943. The next prime is 214967. The reversal of 214961 is 169412.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-214961 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 214961.

It is not an unprimeable number, because it can be changed into a prime (214967) 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, 941 + ... + 1146.

It is an arithmetic number, because the mean of its divisors is an integer number (54288).

2²¹⁴⁹⁶¹ is an apocalyptic number.

It is an amenable number.

214961 is a deficient number, since it is larger than the sum of its proper divisors (2191).

214961 is a wasteful number, since it uses less digits than its factorization.

214961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190.

The product of its digits is 432, while the sum is 23.

The square root of 214961 is about 463.6388680859. The cubic root of 214961 is about 59.9036416302.

The spelling of 214961 in words is "two hundred fourteen thousand, nine hundred sixty-one".