263403652 has 12 divisors (see below), whose sum is σ = 475826176. Its totient is φ = 127453320.

The previous prime is 263403649. The next prime is 263403677. The reversal of 263403652 is 256304362.

It is a happy number.

263403652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 1061988 + ... + 1062235.

Almost surely, 2^263403652 is an apocalyptic number.

It is an amenable number.

263403652 is a deficient number, since it is larger than the sum of its proper divisors (212422524).

263403652 is a wasteful number, since it uses less digits than its factorization.

263403652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124258 (or 2124256 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 263403652 is about 16229.7150930015. The cubic root of 263403652 is about 641.0234698455.

It can be divided in two parts, 26340 and 3652, that added together give a palindrome (29992).

The spelling of 263403652 in words is "two hundred sixty-three million, four hundred three thousand, six hundred fifty-two".