263135472 has 20 divisors (see below), whose sum is σ = 679766760. Its totient is φ = 87711808.

The previous prime is 263135459. The next prime is 263135519. The reversal of 263135472 is 274531362.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2740947 + ... + 2741042.

It is an arithmetic number, because the mean of its divisors is an integer number (33988338).

Almost surely, 2^263135472 is an apocalyptic number.

It is an amenable number.

263135472 is an abundant number, since it is smaller than the sum of its proper divisors (416631288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

263135472 is a wasteful number, since it uses less digits than its factorization.

263135472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5482000 (or 5481994 counting only the distinct ones).

The product of its digits is 30240, while the sum is 33.

The square root of 263135472 is about 16221.4509831889. The cubic root of 263135472 is about 640.8058468827.

The spelling of 263135472 in words is "two hundred sixty-three million, one hundred thirty-five thousand, four hundred seventy-two".