265167047 has 4 divisors (see below), whose sum is σ = 265212576. Its totient is φ = 265121520.

The previous prime is 265167029. The next prime is 265167053. The reversal of 265167047 is 740761562.

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 265167047 - 2¹⁶ = 265101511 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 265167047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265167017) 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, 12479 + ... + 26192.

It is an arithmetic number, because the mean of its divisors is an integer number (66303144).

Almost surely, 2^265167047 is an apocalyptic number.

265167047 is a deficient number, since it is larger than the sum of its proper divisors (45529).

265167047 is an equidigital number, since it uses as much as digits as its factorization.

265167047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45528.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 265167047 is about 16283.9505956018. The cubic root of 265167047 is about 642.4507652018.

The spelling of 265167047 in words is "two hundred sixty-five million, one hundred sixty-seven thousand, forty-seven".