502350421 has 2 divisors, whose sum is σ = 502350422. Its totient is φ = 502350420.

The previous prime is 502350379. The next prime is 502350461. The reversal of 502350421 is 124053205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 403447396 + 98903025 = 20086^2 + 9945^2 .

It is a cyclic number.

It is not a de Polignac number, because 502350421 - 2¹⁵ = 502317653 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 502350392 and 502350401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502350461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251175210 + 251175211.

It is an arithmetic number, because the mean of its divisors is an integer number (251175211).

Almost surely, 2^502350421 is an apocalyptic number.

It is an amenable number.

502350421 is a deficient number, since it is larger than the sum of its proper divisors (1).

502350421 is an equidigital number, since it uses as much as digits as its factorization.

502350421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 502350421 is about 22413.1751655137. The cubic root of 502350421 is about 794.9422691884.

The spelling of 502350421 in words is "five hundred two million, three hundred fifty thousand, four hundred twenty-one".