42308461 has 8 divisors (see below), whose sum is σ = 48243384. Its totient is φ = 36756480.

The previous prime is 42308449. The next prime is 42308467. The reversal of 42308461 is 16480324.

42308461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9647236 + 32661225 = 3106^2 + 5715^2 .

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 42308461 - 2⁵ = 42308429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42308467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95500 + ... + 95941.

It is an arithmetic number, because the mean of its divisors is an integer number (6030423).

Almost surely, 2^42308461 is an apocalyptic number.

It is an amenable number.

42308461 is a deficient number, since it is larger than the sum of its proper divisors (5934923).

42308461 is a wasteful number, since it uses less digits than its factorization.

42308461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191471.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 42308461 is about 6504.4954454592. The cubic root of 42308461 is about 348.4515568783.

Adding to 42308461 its reverse (16480324), we get a palindrome (58788785).

It can be divided in two parts, 4230 and 8461, that multiplied together give a triangular number (35790030 = T₈₄₆₀).

The spelling of 42308461 in words is "forty-two million, three hundred eight thousand, four hundred sixty-one".