42257035 has 4 divisors (see below), whose sum is σ = 50708448. Its totient is φ = 33805624.

The previous prime is 42257029. The next prime is 42257041. The reversal of 42257035 is 53075224.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42257029) and next prime (42257041).

It is a cyclic number.

It is not a de Polignac number, because 42257035 - 2³ = 42257027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42256994 and 42257012.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4225699 + ... + 4225708.

It is an arithmetic number, because the mean of its divisors is an integer number (12677112).

Almost surely, 2^42257035 is an apocalyptic number.

42257035 is a deficient number, since it is larger than the sum of its proper divisors (8451413).

42257035 is an equidigital number, since it uses as much as digits as its factorization.

42257035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8451412.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 42257035 is about 6500.5411313213. The cubic root of 42257035 is about 348.3103185016.

The spelling of 42257035 in words is "forty-two million, two hundred fifty-seven thousand, thirty-five".