263314155 has 64 divisors (see below), whose sum is σ = 479711232. Its totient is φ = 122411520.

The previous prime is 263314153. The next prime is 263314157. The reversal of 263314155 is 551413362.

It is an interprime number because it is at equal distance from previous prime (263314153) and next prime (263314157).

It is not a de Polignac number, because 263314155 - 2¹ = 263314153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (263314153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 259429 + ... + 260441.

It is an arithmetic number, because the mean of its divisors is an integer number (7495488).

Almost surely, 2^263314155 is an apocalyptic number.

263314155 is a deficient number, since it is larger than the sum of its proper divisors (216397077).

263314155 is a wasteful number, since it uses less digits than its factorization.

263314155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108.

The product of its digits is 10800, while the sum is 30.

The square root of 263314155 is about 16226.9576630988. The cubic root of 263314155 is about 640.9508611632.

The spelling of 263314155 in words is "two hundred sixty-three million, three hundred fourteen thousand, one hundred fifty-five".