42356507 has 2 divisors, whose sum is σ = 42356508. Its totient is φ = 42356506.

The previous prime is 42356467. The next prime is 42356539. The reversal of 42356507 is 70565324.

42356507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (42356539) can be obtained adding 42356507 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42356507 - 2¹² = 42352411 is a prime.

It is not a weakly prime, because it can be changed into another prime (42356597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21178253 + 21178254.

It is an arithmetic number, because the mean of its divisors is an integer number (21178254).

Almost surely, 2^42356507 is an apocalyptic number.

42356507 is a deficient number, since it is larger than the sum of its proper divisors (1).

42356507 is an equidigital number, since it uses as much as digits as its factorization.

42356507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 42356507 is about 6508.1876893648. The cubic root of 42356507 is about 348.5834089140.

The spelling of 42356507 in words is "forty-two million, three hundred fifty-six thousand, five hundred seven".