263001379 has 4 divisors (see below), whose sum is σ = 265072384. Its totient is φ = 260930376.

The previous prime is 263001371. The next prime is 263001383. The reversal of 263001379 is 973100362.

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 263001379 - 2³ = 263001371 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 263001379.

It is not an unprimeable number, because it can be changed into a prime (263001371) 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, 1035312 + ... + 1035565.

It is an arithmetic number, because the mean of its divisors is an integer number (66268096).

Almost surely, 2^263001379 is an apocalyptic number.

263001379 is a deficient number, since it is larger than the sum of its proper divisors (2071005).

263001379 is a wasteful number, since it uses less digits than its factorization.

263001379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071004.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 263001379 is about 16217.3172565625. The cubic root of 263001379 is about 640.6969775133.

The spelling of 263001379 in words is "two hundred sixty-three million, one thousand, three hundred seventy-nine".