502420427 has 2 divisors, whose sum is σ = 502420428. Its totient is φ = 502420426.

The previous prime is 502420423. The next prime is 502420453. The reversal of 502420427 is 724024205.

It is an a-pointer prime, because the next prime (502420453) can be obtained adding 502420427 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 502420427 - 2² = 502420423 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 502420396 and 502420405.

It is not a weakly prime, because it can be changed into another prime (502420423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251210213 + 251210214.

It is an arithmetic number, because the mean of its divisors is an integer number (251210214).

Almost surely, 2^502420427 is an apocalyptic number.

502420427 is a deficient number, since it is larger than the sum of its proper divisors (1).

502420427 is an equidigital number, since it uses as much as digits as its factorization.

502420427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 502420427 is about 22414.7368264720. The cubic root of 502420427 is about 794.9791943713.

The spelling of 502420427 in words is "five hundred two million, four hundred twenty thousand, four hundred twenty-seven".