42875507 has 2 divisors, whose sum is σ = 42875508. Its totient is φ = 42875506.

The previous prime is 42875467. The next prime is 42875527. The reversal of 42875507 is 70557824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42875507 - 2¹⁶ = 42809971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42875527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21437753 + 21437754.

It is an arithmetic number, because the mean of its divisors is an integer number (21437754).

Almost surely, 2^42875507 is an apocalyptic number.

42875507 is a deficient number, since it is larger than the sum of its proper divisors (1).

42875507 is an equidigital number, since it uses as much as digits as its factorization.

42875507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 42875507 is about 6547.9391414398. The cubic root of 42875507 is about 350.0013795864.

The spelling of 42875507 in words is "forty-two million, eight hundred seventy-five thousand, five hundred seven".