42415313 has 8 divisors (see below), whose sum is σ = 44599080. Its totient is φ = 40279680.

The previous prime is 42415273. The next prime is 42415319. The reversal of 42415313 is 31351424.

It can be written as a sum of positive squares in 4 ways, for example, as 204304 + 42211009 = 452^2 + 6497^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42415313 - 2¹² = 42411217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42415319) 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, 10220 + ... + 13757.

It is an arithmetic number, because the mean of its divisors is an integer number (5574885).

Almost surely, 2^42415313 is an apocalyptic number.

It is an amenable number.

42415313 is a deficient number, since it is larger than the sum of its proper divisors (2183767).

42415313 is a wasteful number, since it uses less digits than its factorization.

42415313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24067.

The product of its digits is 1440, while the sum is 23.

The square root of 42415313 is about 6512.7039699345. The cubic root of 42415313 is about 348.7446538494.

Adding to 42415313 its reverse (31351424), we get a palindrome (73766737).

The spelling of 42415313 in words is "forty-two million, four hundred fifteen thousand, three hundred thirteen".