501274231 has 2 divisors, whose sum is σ = 501274232. Its totient is φ = 501274230.

The previous prime is 501274229. The next prime is 501274243. The reversal of 501274231 is 132472105.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 501274231 - 2¹ = 501274229 is a prime.

It is a super-2 number, since 2×501274231² = 502551709329282722, which contains 22 as substring.

Together with 501274229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 501274196 and 501274205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501274201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250637115 + 250637116.

It is an arithmetic number, because the mean of its divisors is an integer number (250637116).

Almost surely, 2^501274231 is an apocalyptic number.

501274231 is a deficient number, since it is larger than the sum of its proper divisors (1).

501274231 is an equidigital number, since it uses as much as digits as its factorization.

501274231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 501274231 is about 22389.1543163202. The cubic root of 501274231 is about 794.3741925798.

The spelling of 501274231 in words is "five hundred one million, two hundred seventy-four thousand, two hundred thirty-one".