501142349 has 2 divisors, whose sum is σ = 501142350. Its totient is φ = 501142348.

The previous prime is 501142321. The next prime is 501142351. The reversal of 501142349 is 943241105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 313644100 + 187498249 = 17710^2 + 13693^2 .

It is a cyclic number.

It is not a de Polignac number, because 501142349 - 2¹⁶ = 501076813 is a prime.

It is a super-2 number, since 2×501142349² = 502287307922475602, which contains 22 as substring.

Together with 501142351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501141349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250571174 + 250571175.

It is an arithmetic number, because the mean of its divisors is an integer number (250571175).

Almost surely, 2^501142349 is an apocalyptic number.

It is an amenable number.

501142349 is a deficient number, since it is larger than the sum of its proper divisors (1).

501142349 is an equidigital number, since it uses as much as digits as its factorization.

501142349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 501142349 is about 22386.2089019110. The cubic root of 501142349 is about 794.3045215696.

The spelling of 501142349 in words is "five hundred one million, one hundred forty-two thousand, three hundred forty-nine".