42052613 has 2 divisors, whose sum is σ = 42052614. Its totient is φ = 42052612.

The previous prime is 42052597. The next prime is 42052627. The reversal of 42052613 is 31625024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41383489 + 669124 = 6433^2 + 818^2 .

It is a cyclic number.

It is not a de Polignac number, because 42052613 - 2⁴ = 42052597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42052513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21026306 + 21026307.

It is an arithmetic number, because the mean of its divisors is an integer number (21026307).

Almost surely, 2^42052613 is an apocalyptic number.

It is an amenable number.

42052613 is a deficient number, since it is larger than the sum of its proper divisors (1).

42052613 is an equidigital number, since it uses as much as digits as its factorization.

42052613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 42052613 is about 6484.7986090549. The cubic root of 42052613 is about 347.7477501055.

Adding to 42052613 its reverse (31625024), we get a palindrome (73677637).

The spelling of 42052613 in words is "forty-two million, fifty-two thousand, six hundred thirteen".