263132155 has 24 divisors (see below), whose sum is σ = 373012560. Its totient is φ = 176641920.

The previous prime is 263132141. The next prime is 263132203. The reversal of 263132155 is 551231362.

It is not a de Polignac number, because 263132155 - 2¹⁷ = 263001083 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4860 + ... + 23449.

It is an arithmetic number, because the mean of its divisors is an integer number (15542190).

Almost surely, 2^263132155 is an apocalyptic number.

263132155 is a deficient number, since it is larger than the sum of its proper divisors (109880405).

263132155 is a wasteful number, since it uses less digits than its factorization.

263132155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28351 (or 28338 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 263132155 is about 16221.3487417046. The cubic root of 263132155 is about 640.8031542748.

The spelling of 263132155 in words is "two hundred sixty-three million, one hundred thirty-two thousand, one hundred fifty-five".