501461231 has 2 divisors, whose sum is σ = 501461232. Its totient is φ = 501461230.

The previous prime is 501461221. The next prime is 501461267. The reversal of 501461231 is 132164105.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 501461231 - 2¹⁰ = 501460207 is a prime.

It is a super-2 number, since 2×501461231² = 502926732392070722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 501461197 and 501461206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501461221) by changing a digit.

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 as a sum of consecutive naturals, namely, 250730615 + 250730616.

It is an arithmetic number, because the mean of its divisors is an integer number (250730616).

Almost surely, 2^501461231 is an apocalyptic number.

501461231 is a deficient number, since it is larger than the sum of its proper divisors (1).

501461231 is an equidigital number, since it uses as much as digits as its factorization.

501461231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 501461231 is about 22393.3300560680. The cubic root of 501461231 is about 794.4729605440.

The spelling of 501461231 in words is "five hundred one million, four hundred sixty-one thousand, two hundred thirty-one".