42802465 has 4 divisors (see below), whose sum is σ = 51362964. Its totient is φ = 34241968.

The previous prime is 42802457. The next prime is 42802469. The reversal of 42802465 is 56420824.

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 23512801 + 19289664 = 4849^2 + 4392^2 .

It is a cyclic number.

It is not a de Polignac number, because 42802465 - 2³ = 42802457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42802469) 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 3 ways as a sum of consecutive naturals, for example, 4280242 + ... + 4280251.

It is an arithmetic number, because the mean of its divisors is an integer number (12840741).

Almost surely, 2^42802465 is an apocalyptic number.

It is an amenable number.

42802465 is a deficient number, since it is larger than the sum of its proper divisors (8560499).

42802465 is an equidigital number, since it uses as much as digits as its factorization.

42802465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8560498.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 42802465 is about 6542.3592839281. The cubic root of 42802465 is about 349.8025144412.

The spelling of 42802465 in words is "forty-two million, eight hundred two thousand, four hundred sixty-five".