42255003 has 12 divisors (see below), whose sum is σ = 65538600. Its totient is φ = 24145632.

The previous prime is 42254981. The next prime is 42255053. The reversal of 42255003 is 30055224.

It is not a de Polignac number, because 42255003 - 2⁸ = 42254747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (42255053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143578 + ... + 143871.

It is an arithmetic number, because the mean of its divisors is an integer number (5461550).

Almost surely, 2^42255003 is an apocalyptic number.

42255003 is a deficient number, since it is larger than the sum of its proper divisors (23283597).

42255003 is a wasteful number, since it uses less digits than its factorization.

42255003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287466 (or 287459 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 42255003 is about 6500.3848347617. The cubic root of 42255003 is about 348.3047353846.

The spelling of 42255003 in words is "forty-two million, two hundred fifty-five thousand, three".