214725971 has 4 divisors (see below), whose sum is σ = 214806072. Its totient is φ = 214645872.

The previous prime is 214725943. The next prime is 214726007. The reversal of 214725971 is 179527412.

It is a happy number.

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 214725971 - 2¹⁴ = 214709587 is a prime.

It is a super-2 number, since 2×214725971² = 92214485243785682, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (214725941) 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, 35885 + ... + 41438.

It is an arithmetic number, because the mean of its divisors is an integer number (53701518).

Almost surely, 2^214725971 is an apocalyptic number.

214725971 is a deficient number, since it is larger than the sum of its proper divisors (80101).

214725971 is an equidigital number, since it uses as much as digits as its factorization.

214725971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80100.

The product of its digits is 35280, while the sum is 38.

The square root of 214725971 is about 14653.5310079175. The cubic root of 214725971 is about 598.8180165728.

The spelling of 214725971 in words is "two hundred fourteen million, seven hundred twenty-five thousand, nine hundred seventy-one".