42052961 has 2 divisors, whose sum is σ = 42052962. Its totient is φ = 42052960.

The previous prime is 42052949. The next prime is 42053041. The reversal of 42052961 is 16925024.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29767936 + 12285025 = 5456^2 + 3505^2 .

It is a cyclic number.

It is not a de Polignac number, because 42052961 - 2⁶ = 42052897 is a prime.

It is not a weakly prime, because it can be changed into another prime (42052931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21026480 + 21026481.

It is an arithmetic number, because the mean of its divisors is an integer number (21026481).

Almost surely, 2^42052961 is an apocalyptic number.

It is an amenable number.

42052961 is a deficient number, since it is larger than the sum of its proper divisors (1).

42052961 is an equidigital number, since it uses as much as digits as its factorization.

42052961 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 42052961 is about 6484.8254409814. The cubic root of 42052961 is about 347.7487093474.

Adding to 42052961 its reverse (16925024), we get a palindrome (58977985).

The spelling of 42052961 in words is "forty-two million, fifty-two thousand, nine hundred sixty-one".