501381303 has 8 divisors (see below), whose sum is σ = 672009216. Its totient is φ = 332503800.

The previous prime is 501381277. The next prime is 501381343. The reversal of 501381303 is 303183105.

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

It is not a de Polignac number, because 501381303 - 2¹⁷ = 501250231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501381343) 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, 436933 + ... + 438078.

It is an arithmetic number, because the mean of its divisors is an integer number (84001152).

Almost surely, 2^501381303 is an apocalyptic number.

501381303 is a deficient number, since it is larger than the sum of its proper divisors (170627913).

501381303 is a wasteful number, since it uses less digits than its factorization.

501381303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875205.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 501381303 is about 22391.5453464025. The cubic root of 501381303 is about 794.4307479030.

The spelling of 501381303 in words is "five hundred one million, three hundred eighty-one thousand, three hundred three".