164125427 has 2 divisors, whose sum is σ = 164125428. Its totient is φ = 164125426.

The previous prime is 164125421. The next prime is 164125469. The reversal of 164125427 is 724521461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164125427 - 2¹⁰ = 164124403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164125393 and 164125402.

It is not a weakly prime, because it can be changed into another prime (164125421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82062713 + 82062714.

It is an arithmetic number, because the mean of its divisors is an integer number (82062714).

Almost surely, 2^164125427 is an apocalyptic number.

164125427 is a deficient number, since it is larger than the sum of its proper divisors (1).

164125427 is an equidigital number, since it uses as much as digits as its factorization.

164125427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 32.

The square root of 164125427 is about 12811.1446405073. The cubic root of 164125427 is about 547.5098746508.

Adding to 164125427 its reverse (724521461), we get a palindrome (888646888).

The spelling of 164125427 in words is "one hundred sixty-four million, one hundred twenty-five thousand, four hundred twenty-seven".