42607613 has 2 divisors, whose sum is σ = 42607614. Its totient is φ = 42607612.

The previous prime is 42607577. The next prime is 42607637. The reversal of 42607613 is 31670624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28334329 + 14273284 = 5323^2 + 3778^2 .

It is a cyclic number.

It is not a de Polignac number, because 42607613 - 2¹⁶ = 42542077 is a prime.

It is equal to p_2582282 and since 42607613 and 2582282 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42607693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21303806 + 21303807.

It is an arithmetic number, because the mean of its divisors is an integer number (21303807).

Almost surely, 2^42607613 is an apocalyptic number.

It is an amenable number.

42607613 is a deficient number, since it is larger than the sum of its proper divisors (1).

42607613 is an equidigital number, since it uses as much as digits as its factorization.

42607613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 42607613 is about 6527.4507275046. The cubic root of 42607613 is about 349.2708985557.

The spelling of 42607613 in words is "forty-two million, six hundred seven thousand, six hundred thirteen".