501294061 has 2 divisors, whose sum is σ = 501294062. Its totient is φ = 501294060.

The previous prime is 501293959. The next prime is 501294071. The reversal of 501294061 is 160492105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 499522500 + 1771561 = 22350^2 + 1331^2 .

It is a cyclic number.

It is not a de Polignac number, because 501294061 - 2²¹ = 499196909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501294071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250647030 + 250647031.

It is an arithmetic number, because the mean of its divisors is an integer number (250647031).

Almost surely, 2^501294061 is an apocalyptic number.

It is an amenable number.

501294061 is a deficient number, since it is larger than the sum of its proper divisors (1).

501294061 is an equidigital number, since it uses as much as digits as its factorization.

501294061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 501294061 is about 22389.5971602885. The cubic root of 501294061 is about 794.3846673736.

The spelling of 501294061 in words is "five hundred one million, two hundred ninety-four thousand, sixty-one".