500763421 has 2 divisors, whose sum is σ = 500763422. Its totient is φ = 500763420.

The previous prime is 500763409. The next prime is 500763433. The reversal of 500763421 is 124367005.

It is a balanced prime because it is at equal distance from previous prime (500763409) and next prime (500763433).

It can be written as a sum of positive squares in only one way, i.e., 498628900 + 2134521 = 22330^2 + 1461^2 .

It is a cyclic number.

It is not a de Polignac number, because 500763421 - 2¹⁵ = 500730653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 500763421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500763481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250381710 + 250381711.

It is an arithmetic number, because the mean of its divisors is an integer number (250381711).

Almost surely, 2^500763421 is an apocalyptic number.

It is an amenable number.

500763421 is a deficient number, since it is larger than the sum of its proper divisors (1).

500763421 is an equidigital number, since it uses as much as digits as its factorization.

500763421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 500763421 is about 22377.7438764501. The cubic root of 500763421 is about 794.1042723343.

The spelling of 500763421 in words is "five hundred million, seven hundred sixty-three thousand, four hundred twenty-one".