263652242 has 12 divisors (see below), whose sum is σ = 460046430. Its totient is φ = 112993776.

The previous prime is 263652223. The next prime is 263652251. The reversal of 263652242 is 242256362.

It can be written as a sum of positive squares in only one way, i.e., 136165561 + 127486681 = 11669^2 + 11291^2 .

It is a junction number, because it is equal to n+sod(n) for n = 263652199 and 263652208.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1345067 + ... + 1345262.

Almost surely, 2^263652242 is an apocalyptic number.

263652242 is a deficient number, since it is larger than the sum of its proper divisors (196394188).

263652242 is a wasteful number, since it uses less digits than its factorization.

263652242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690345 (or 2690338 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 263652242 is about 16237.3717700864. The cubic root of 263652242 is about 641.2250640139.

The spelling of 263652242 in words is "two hundred sixty-three million, six hundred fifty-two thousand, two hundred forty-two".