263560430 has 16 divisors (see below), whose sum is σ = 542181600. Its totient is φ = 90363552.

The previous prime is 263560411. The next prime is 263560477. The reversal of 263560430 is 34065362.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 263560393 and 263560402.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1882505 + ... + 1882644.

It is an arithmetic number, because the mean of its divisors is an integer number (33886350).

Almost surely, 2^263560430 is an apocalyptic number.

263560430 is an abundant number, since it is smaller than the sum of its proper divisors (278621170).

263560430 is a wasteful number, since it uses less digits than its factorization.

263560430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3765163.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 263560430 is about 16234.5443422352. The cubic root of 263560430 is about 641.1506237966.

The spelling of 263560430 in words is "two hundred sixty-three million, five hundred sixty thousand, four hundred thirty".