196452565 has 4 divisors (see below), whose sum is σ = 235743084. Its totient is φ = 157162048.

The previous prime is 196452559. The next prime is 196452587. The reversal of 196452565 is 565254691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 565254691 = 17117 ⋅33023.

It can be written as a sum of positive squares in 2 ways, for example, as 143832049 + 52620516 = 11993^2 + 7254^2 .

It is a cyclic number.

It is not a de Polignac number, because 196452565 - 2¹¹ = 196450517 is a prime.

It is a super-2 number, since 2×196452565² = 77187220590158450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19645252 + ... + 19645261.

It is an arithmetic number, because the mean of its divisors is an integer number (58935771).

Almost surely, 2^196452565 is an apocalyptic number.

It is an amenable number.

196452565 is a deficient number, since it is larger than the sum of its proper divisors (39290519).

196452565 is an equidigital number, since it uses as much as digits as its factorization.

196452565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39290518.

The product of its digits is 324000, while the sum is 43.

The square root of 196452565 is about 14016.1537163374. The cubic root of 196452565 is about 581.3253135540.

The spelling of 196452565 in words is "one hundred ninety-six million, four hundred fifty-two thousand, five hundred sixty-five".