263273463 has 16 divisors (see below), whose sum is σ = 400577760. Its totient is φ = 170771328.

The previous prime is 263273453. The next prime is 263273473. The reversal of 263273463 is 364372362.

It is an interprime number because it is at equal distance from previous prime (263273453) and next prime (263273473).

It is not a de Polignac number, because 263273463 - 2⁴ = 263273447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263273453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130770 + ... + 132767.

It is an arithmetic number, because the mean of its divisors is an integer number (25036110).

Almost surely, 2^263273463 is an apocalyptic number.

263273463 is a deficient number, since it is larger than the sum of its proper divisors (137304297).

263273463 is a wasteful number, since it uses less digits than its factorization.

263273463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263583 (or 263577 counting only the distinct ones).

The product of its digits is 108864, while the sum is 36.

The square root of 263273463 is about 16225.7037751834. The cubic root of 263273463 is about 640.9178424090.

The spelling of 263273463 in words is "two hundred sixty-three million, two hundred seventy-three thousand, four hundred sixty-three".