42403015 has 8 divisors (see below), whose sum is σ = 53876880. Its totient is φ = 31926912.

The previous prime is 42402967. The next prime is 42403019. The reversal of 42403015 is 51030424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42403015 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42402983 and 42403001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42403019) 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 7 ways as a sum of consecutive naturals, for example, 249345 + ... + 249514.

It is an arithmetic number, because the mean of its divisors is an integer number (6734610).

Almost surely, 2^42403015 is an apocalyptic number.

42403015 is a deficient number, since it is larger than the sum of its proper divisors (11473865).

42403015 is a wasteful number, since it uses less digits than its factorization.

42403015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498881.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 42403015 is about 6511.7597467966. The cubic root of 42403015 is about 348.7109452975.

Adding to 42403015 its reverse (51030424), we get a palindrome (93433439).

The spelling of 42403015 in words is "forty-two million, four hundred three thousand, fifteen".