265364642 has 8 divisors (see below), whose sum is σ = 401699100. Its totient is φ = 131464944.

The previous prime is 265364641. The next prime is 265364647. The reversal of 265364642 is 246463562.

It can be written as a sum of positive squares in 2 ways, for example, as 265005841 + 358801 = 16279^2 + 599^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 265364596 and 265364605.

It is not an unprimeable number, because it can be changed into a prime (265364641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608417 + ... + 608852.

Almost surely, 2^265364642 is an apocalyptic number.

265364642 is a deficient number, since it is larger than the sum of its proper divisors (136334458).

265364642 is a wasteful number, since it uses less digits than its factorization.

265364642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217380.

The product of its digits is 207360, while the sum is 38.

The square root of 265364642 is about 16290.0166359645. The cubic root of 265364642 is about 642.6103043068.

The spelling of 265364642 in words is "two hundred sixty-five million, three hundred sixty-four thousand, six hundred forty-two".