42503975 has 12 divisors (see below), whose sum is σ = 53374560. Its totient is φ = 33571200.

The previous prime is 42503971. The next prime is 42504001. The reversal of 42503975 is 57930524.

It is not a de Polignac number, because 42503975 - 2² = 42503971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42503971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8786 + ... + 12735.

It is an arithmetic number, because the mean of its divisors is an integer number (4447880).

Almost surely, 2^42503975 is an apocalyptic number.

42503975 is a deficient number, since it is larger than the sum of its proper divisors (10870585).

42503975 is a wasteful number, since it uses less digits than its factorization.

42503975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21610 (or 21605 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 42503975 is about 6519.5072666575. The cubic root of 42503975 is about 348.9874818650.

The spelling of 42503975 in words is "forty-two million, five hundred three thousand, nine hundred seventy-five".