263252503 has 8 divisors (see below), whose sum is σ = 275097600. Its totient is φ = 251440728.

The previous prime is 263252489. The next prime is 263252519. The reversal of 263252503 is 305252362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 263252503 - 2²¹ = 261155351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263252533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8578 + ... + 24496.

It is an arithmetic number, because the mean of its divisors is an integer number (34387200).

Almost surely, 2^263252503 is an apocalyptic number.

263252503 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

263252503 is a deficient number, since it is larger than the sum of its proper divisors (11845097).

263252503 is a wasteful number, since it uses less digits than its factorization.

263252503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16661.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 263252503 is about 16225.0578735486. The cubic root of 263252503 is about 640.9008334856.

The spelling of 263252503 in words is "two hundred sixty-three million, two hundred fifty-two thousand, five hundred three".