42300505 has 16 divisors (see below), whose sum is σ = 57882384. Its totient is φ = 29399040.

The previous prime is 42300499. The next prime is 42300521. The reversal of 42300505 is 50500324.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1545049 + 40755456 = 1243^2 + 6384^2 .

It is not a de Polignac number, because 42300505 - 2³ = 42300497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18036 + ... + 20245.

It is an arithmetic number, because the mean of its divisors is an integer number (3617649).

Almost surely, 2^42300505 is an apocalyptic number.

It is an amenable number.

42300505 is a deficient number, since it is larger than the sum of its proper divisors (15581879).

42300505 is a wasteful number, since it uses less digits than its factorization.

42300505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38316.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 42300505 is about 6503.8838396761. The cubic root of 42300505 is about 348.4297136952.

Adding to 42300505 its reverse (50500324), we get a palindrome (92800829).

The spelling of 42300505 in words is "forty-two million, three hundred thousand, five hundred five".