265651255 has 8 divisors (see below), whose sum is σ = 335559600. Its totient is φ = 201335616.

The previous prime is 265651247. The next prime is 265651261. The reversal of 265651255 is 552156562.

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 265651255 - 2³ = 265651247 is a prime.

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, 1398070 + ... + 1398259.

It is an arithmetic number, because the mean of its divisors is an integer number (41944950).

Almost surely, 2^265651255 is an apocalyptic number.

265651255 is a deficient number, since it is larger than the sum of its proper divisors (69908345).

265651255 is a wasteful number, since it uses less digits than its factorization.

265651255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796353.

The product of its digits is 90000, while the sum is 37.

The square root of 265651255 is about 16298.8114597353. The cubic root of 265651255 is about 642.8415762603.

It can be divided in two parts, 26565125 and 5, that multiplied together give a square (132825625 = 11525²).

The spelling of 265651255 in words is "two hundred sixty-five million, six hundred fifty-one thousand, two hundred fifty-five".