42508975 has 6 divisors (see below), whose sum is σ = 52711160. Its totient is φ = 34007160.

The previous prime is 42508957. The next prime is 42508979. The reversal of 42508975 is 57980524.

It is not a de Polignac number, because 42508975 - 2⁵ = 42508943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42508979) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 850155 + ... + 850204.

Almost surely, 2^42508975 is an apocalyptic number.

42508975 is a deficient number, since it is larger than the sum of its proper divisors (10202185).

42508975 is a wasteful number, since it uses less digits than its factorization.

42508975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700369 (or 1700364 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 42508975 is about 6519.8907199431. The cubic root of 42508975 is about 349.0011658322.

It can be divided in two parts, 4250 and 8975, that added together give a square (13225 = 115²).

The spelling of 42508975 in words is "forty-two million, five hundred eight thousand, nine hundred seventy-five".