42303461 has 2 divisors, whose sum is σ = 42303462. Its totient is φ = 42303460.

The previous prime is 42303451. The next prime is 42303479. The reversal of 42303461 is 16430324.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28569025 + 13734436 = 5345^2 + 3706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42303461 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_2565014 and since 42303461 and 2565014 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42303421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21151730 + 21151731.

It is an arithmetic number, because the mean of its divisors is an integer number (21151731).

Almost surely, 2^42303461 is an apocalyptic number.

It is an amenable number.

42303461 is a deficient number, since it is larger than the sum of its proper divisors (1).

42303461 is an equidigital number, since it uses as much as digits as its factorization.

42303461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 42303461 is about 6504.1110845372. Note that the first 3 decimals coincide. The cubic root of 42303461 is about 348.4378297074.

Adding to 42303461 its reverse (16430324), we get a palindrome (58733785).

The spelling of 42303461 in words is "forty-two million, three hundred three thousand, four hundred sixty-one".