164241425 has 6 divisors (see below), whose sum is σ = 203659398. Its totient is φ = 131393120.

The previous prime is 164241347. The next prime is 164241433. The reversal of 164241425 is 524142461.

It can be written as a sum of positive squares in 3 ways, for example, as 29495761 + 134745664 = 5431^2 + 11608^2 .

It is not a de Polignac number, because 164241425 - 2⁸ = 164241169 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3284804 + ... + 3284853.

It is an arithmetic number, because the mean of its divisors is an integer number (33943233).

Almost surely, 2^164241425 is an apocalyptic number.

It is an amenable number.

164241425 is a deficient number, since it is larger than the sum of its proper divisors (39417973).

164241425 is an equidigital number, since it uses as much as digits as its factorization.

164241425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6569667 (or 6569662 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 164241425 is about 12815.6710709974. The cubic root of 164241425 is about 547.6388310943.

Adding to 164241425 its reverse (524142461), we get a palindrome (688383886).

The spelling of 164241425 in words is "one hundred sixty-four million, two hundred forty-one thousand, four hundred twenty-five".