265227625405 has 8 divisors (see below), whose sum is σ = 318276170712. Its totient is φ = 212180086848.

The previous prime is 265227625387. The next prime is 265227625451. The reversal of 265227625405 is 504526722562.

It can be written as a sum of positive squares in 4 ways, for example, as 43449734916 + 221777890489 = 208446^2 + 470933^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 265227625405 - 2³¹ = 263080141757 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 574399 + ... + 927571.

It is an arithmetic number, because the mean of its divisors is an integer number (39784521339).

Almost surely, 2^265227625405 is an apocalyptic number.

It is an amenable number.

265227625405 is a deficient number, since it is larger than the sum of its proper divisors (53048545307).

265227625405 is a wasteful number, since it uses less digits than its factorization.

265227625405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503375.

The product of its (nonzero) digits is 2016000, while the sum is 46.

The spelling of 265227625405 in words is "two hundred sixty-five billion, two hundred twenty-seven million, six hundred twenty-five thousand, four hundred five".