164025293 has 2 divisors, whose sum is σ = 164025294. Its totient is φ = 164025292.

The previous prime is 164025283. The next prime is 164025311. The reversal of 164025293 is 392520461.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138603529 + 25421764 = 11773^2 + 5042^2 .

It is a cyclic number.

It is not a de Polignac number, because 164025293 - 2¹⁰ = 164024269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164025203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82012646 + 82012647.

It is an arithmetic number, because the mean of its divisors is an integer number (82012647).

Almost surely, 2^164025293 is an apocalyptic number.

It is an amenable number.

164025293 is a deficient number, since it is larger than the sum of its proper divisors (1).

164025293 is an equidigital number, since it uses as much as digits as its factorization.

164025293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 164025293 is about 12807.2359625331. The cubic root of 164025293 is about 547.3985055429.

The spelling of 164025293 in words is "one hundred sixty-four million, twenty-five thousand, two hundred ninety-three".