501030330461 has 2 divisors, whose sum is σ = 501030330462. Its totient is φ = 501030330460.

The previous prime is 501030330439. The next prime is 501030330473. The reversal of 501030330461 is 164033030105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267832125625 + 233198204836 = 517525^2 + 482906^2 .

It is a cyclic number.

It is not a de Polignac number, because 501030330461 - 2³⁴ = 483850461277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 501030330461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501030330491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250515165230 + 250515165231.

It is an arithmetic number, because the mean of its divisors is an integer number (250515165231).

Almost surely, 2^501030330461 is an apocalyptic number.

It is an amenable number.

501030330461 is a deficient number, since it is larger than the sum of its proper divisors (1).

501030330461 is an equidigital number, since it uses as much as digits as its factorization.

501030330461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 501030330461 its reverse (164033030105), we get a palindrome (665063360566).

The spelling of 501030330461 in words is "five hundred one billion, thirty million, three hundred thirty thousand, four hundred sixty-one".