501502061 has 2 divisors, whose sum is σ = 501502062. Its totient is φ = 501502060.

The previous prime is 501502021. The next prime is 501502073. The reversal of 501502061 is 160205105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 500909161 + 592900 = 22381^2 + 770^2 .

It is a cyclic number.

It is not a de Polignac number, because 501502061 - 2²² = 497307757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501502021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250751030 + 250751031.

It is an arithmetic number, because the mean of its divisors is an integer number (250751031).

Almost surely, 2^501502061 is an apocalyptic number.

It is an amenable number.

501502061 is a deficient number, since it is larger than the sum of its proper divisors (1).

501502061 is an equidigital number, since it uses as much as digits as its factorization.

501502061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 501502061 is about 22394.2416928995. The cubic root of 501502061 is about 794.4945224971.

Adding to 501502061 its reverse (160205105), we get a palindrome (661707166).

The spelling of 501502061 in words is "five hundred one million, five hundred two thousand, sixty-one".