265026163 has 4 divisors (see below), whose sum is σ = 265075840. Its totient is φ = 264976488.

The previous prime is 265026137. The next prime is 265026199. The reversal of 265026163 is 361620562.

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

It is a cyclic number.

It is not a de Polignac number, because 265026163 - 2¹³ = 265017971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265026133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15720 + ... + 27877.

It is an arithmetic number, because the mean of its divisors is an integer number (66268960).

Almost surely, 2^265026163 is an apocalyptic number.

265026163 is a deficient number, since it is larger than the sum of its proper divisors (49677).

265026163 is an equidigital number, since it uses as much as digits as its factorization.

265026163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49676.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 265026163 is about 16279.6241664235. The cubic root of 265026163 is about 642.3369664110.

The spelling of 265026163 in words is "two hundred sixty-five million, twenty-six thousand, one hundred sixty-three".