501145241 has 2 divisors, whose sum is σ = 501145242. Its totient is φ = 501145240.

The previous prime is 501145237. The next prime is 501145247. The reversal of 501145241 is 142541105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323856016 + 177289225 = 17996^2 + 13315^2 .

It is a cyclic number.

It is not a de Polignac number, because 501145241 - 2² = 501145237 is a prime.

It is a super-2 number, since 2×501145241² = 502293105153896162, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (501145247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250572620 + 250572621.

It is an arithmetic number, because the mean of its divisors is an integer number (250572621).

Almost surely, 2^501145241 is an apocalyptic number.

It is an amenable number.

501145241 is a deficient number, since it is larger than the sum of its proper divisors (1).

501145241 is an equidigital number, since it uses as much as digits as its factorization.

501145241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 501145241 is about 22386.2734951577. The cubic root of 501145241 is about 794.3060494950.

Adding to 501145241 its reverse (142541105), we get a palindrome (643686346).

It can be divided in two parts, 50114 and 5241, that added together give a palindrome (55355).

The spelling of 501145241 in words is "five hundred one million, one hundred forty-five thousand, two hundred forty-one".