214625091 has 8 divisors (see below), whose sum is σ = 286239744. Its totient is φ = 143046920.

The previous prime is 214625063. The next prime is 214625111. The reversal of 214625091 is 190526412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214625091 - 2¹⁸ = 214362947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214625791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10870 + ... + 23396.

It is an arithmetic number, because the mean of its divisors is an integer number (35779968).

Almost surely, 2^214625091 is an apocalyptic number.

214625091 is a deficient number, since it is larger than the sum of its proper divisors (71614653).

214625091 is a wasteful number, since it uses less digits than its factorization.

214625091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18241.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 214625091 is about 14650.0884297672. The cubic root of 214625091 is about 598.7242253656.

The spelling of 214625091 in words is "two hundred fourteen million, six hundred twenty-five thousand, ninety-one".