42310465 has 4 divisors (see below), whose sum is σ = 50772564. Its totient is φ = 33848368.

The previous prime is 42310447. The next prime is 42310517. The reversal of 42310465 is 56401324.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23309584 + 19000881 = 4828^2 + 4359^2 .

It is a cyclic number.

It is not a de Polignac number, because 42310465 - 2⁷ = 42310337 is a prime.

It is a Duffinian number.

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, 4231042 + ... + 4231051.

It is an arithmetic number, because the mean of its divisors is an integer number (12693141).

Almost surely, 2^42310465 is an apocalyptic number.

It is an amenable number.

42310465 is a deficient number, since it is larger than the sum of its proper divisors (8462099).

42310465 is an equidigital number, since it uses as much as digits as its factorization.

42310465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8462098.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 42310465 is about 6504.6494909411. The cubic root of 42310465 is about 348.4570584247.

Adding to 42310465 its reverse (56401324), we get a palindrome (98711789).

The spelling of 42310465 in words is "forty-two million, three hundred ten thousand, four hundred sixty-five".