265826397 has 8 divisors (see below), whose sum is σ = 373089760. Its totient is φ = 167890320.

The previous prime is 265826381. The next prime is 265826401. The reversal of 265826397 is 793628562.

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

It is not a de Polignac number, because 265826397 - 2⁴ = 265826381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265826347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2331754 + ... + 2331867.

It is an arithmetic number, because the mean of its divisors is an integer number (46636220).

Almost surely, 2^265826397 is an apocalyptic number.

It is an amenable number.

265826397 is a deficient number, since it is larger than the sum of its proper divisors (107263363).

265826397 is a wasteful number, since it uses less digits than its factorization.

265826397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4663643.

The product of its digits is 1088640, while the sum is 48.

The square root of 265826397 is about 16304.1834202146. The cubic root of 265826397 is about 642.9828188649.

The spelling of 265826397 in words is "two hundred sixty-five million, eight hundred twenty-six thousand, three hundred ninety-seven".