265550006 has 4 divisors (see below), whose sum is σ = 398325012. Its totient is φ = 132775002.

The previous prime is 265549993. The next prime is 265550009. The reversal of 265550006 is 600055562.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265550009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66387500 + ... + 66387503.

It is an arithmetic number, because the mean of its divisors is an integer number (99581253).

Almost surely, 2^265550006 is an apocalyptic number.

265550006 is a deficient number, since it is larger than the sum of its proper divisors (132775006).

265550006 is a wasteful number, since it uses less digits than its factorization.

265550006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132775005.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 265550006 is about 16295.7051396986. The cubic root of 265550006 is about 642.7598960671.

The spelling of 265550006 in words is "two hundred sixty-five million, five hundred fifty thousand, six".