265484642 has 4 divisors (see below), whose sum is σ = 398226966. Its totient is φ = 132742320.

The previous prime is 265484633. The next prime is 265484671. The reversal of 265484642 is 246484562.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 179533201 + 85951441 = 13399^2 + 9271^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 265484642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66371159 + ... + 66371162.

Almost surely, 2^265484642 is an apocalyptic number.

265484642 is a deficient number, since it is larger than the sum of its proper divisors (132742324).

265484642 is a wasteful number, since it uses less digits than its factorization.

265484642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132742323.

The product of its digits is 368640, while the sum is 41.

The square root of 265484642 is about 16293.6994571521. The cubic root of 265484642 is about 642.7071542050.

The spelling of 265484642 in words is "two hundred sixty-five million, four hundred eighty-four thousand, six hundred forty-two".