501427 has 2 divisors, whose sum is σ = 501428. Its totient is φ = 501426.

The previous prime is 501419. The next prime is 501451. The reversal of 501427 is 724105.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 501427 - 2³ = 501419 is a prime.

It is not a weakly prime, because it can be changed into another prime (501827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250713 + 250714.

It is an arithmetic number, because the mean of its divisors is an integer number (250714).

2⁵⁰¹⁴²⁷ is an apocalyptic number.

501427 is a deficient number, since it is larger than the sum of its proper divisors (1).

501427 is an equidigital number, since it uses as much as digits as its factorization.

501427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 501427 is about 708.1151036378. The cubic root of 501427 is about 79.4454882561.

It can be divided in two parts, 5014 and 27, that added together give a square (5041 = 71²).

The spelling of 501427 in words is "five hundred one thousand, four hundred twenty-seven".