214342605 has 20 divisors (see below), whose sum is σ = 384229692. Its totient is φ = 114315840.

The previous prime is 214342561. The next prime is 214342619. The reversal of 214342605 is 506243412.

214342605 is a `hidden beast` number, since 2 + 14 + 3 + 42 + 605 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 52620516 + 161722089 = 7254^2 + 12717^2 .

It is not a de Polignac number, because 214342605 - 2¹¹ = 214340557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 264216 + ... + 265025.

Almost surely, 2^214342605 is an apocalyptic number.

It is an amenable number.

214342605 is a deficient number, since it is larger than the sum of its proper divisors (169887087).

214342605 is an equidigital number, since it uses as much as digits as its factorization.

214342605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529258 (or 529249 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 214342605 is about 14640.4441530986. Note that the first 3 decimals coincide. The cubic root of 214342605 is about 598.4614330586.

The spelling of 214342605 in words is "two hundred fourteen million, three hundred forty-two thousand, six hundred five".