214725131 has 4 divisors (see below), whose sum is σ = 218364600. Its totient is φ = 211085664.

The previous prime is 214725107. The next prime is 214725143. The reversal of 214725131 is 131527412.

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 214725131 - 2¹⁸ = 214462987 is a prime.

It is a super-2 number, since 2×214725131² = 92213763765934322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214725131.

It is not an unprimeable number, because it can be changed into a prime (214725191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1819646 + ... + 1819763.

It is an arithmetic number, because the mean of its divisors is an integer number (54591150).

Almost surely, 2^214725131 is an apocalyptic number.

214725131 is a deficient number, since it is larger than the sum of its proper divisors (3639469).

214725131 is an equidigital number, since it uses as much as digits as its factorization.

214725131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639468.

The product of its digits is 1680, while the sum is 26.

The square root of 214725131 is about 14653.5023458558. The cubic root of 214725131 is about 598.8172357205.

The spelling of 214725131 in words is "two hundred fourteen million, seven hundred twenty-five thousand, one hundred thirty-one".