42487313 has 8 divisors (see below), whose sum is σ = 47042400. Its totient is φ = 38047680.

The previous prime is 42487309. The next prime is 42487321. The reversal of 42487313 is 31378424.

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

It is not a de Polignac number, because 42487313 - 2² = 42487309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42487313.

It is not an unprimeable number, because it can be changed into a prime (42487303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28088 + ... + 29561.

It is an arithmetic number, because the mean of its divisors is an integer number (5880300).

Almost surely, 2^42487313 is an apocalyptic number.

It is an amenable number.

42487313 is a deficient number, since it is larger than the sum of its proper divisors (4555087).

42487313 is a wasteful number, since it uses less digits than its factorization.

42487313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57727.

The product of its digits is 16128, while the sum is 32.

The square root of 42487313 is about 6518.2292840924. The cubic root of 42487313 is about 348.9418736648.

Subtracting from 42487313 its reverse (31378424), we obtain a square (11108889 = 3333²).

The spelling of 42487313 in words is "forty-two million, four hundred eighty-seven thousand, three hundred thirteen".