42007601 has 2 divisors, whose sum is σ = 42007602. Its totient is φ = 42007600.

The previous prime is 42007597. The next prime is 42007621. The reversal of 42007601 is 10670024.

It is an a-pointer prime, because the next prime (42007621) can be obtained adding 42007601 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34527376 + 7480225 = 5876^2 + 2735^2 .

It is a cyclic number.

It is not a de Polignac number, because 42007601 - 2² = 42007597 is a prime.

It is not a weakly prime, because it can be changed into another prime (42007621) 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 as a sum of consecutive naturals, namely, 21003800 + 21003801.

It is an arithmetic number, because the mean of its divisors is an integer number (21003801).

Almost surely, 2^42007601 is an apocalyptic number.

It is an amenable number.

42007601 is a deficient number, since it is larger than the sum of its proper divisors (1).

42007601 is an equidigital number, since it uses as much as digits as its factorization.

42007601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 42007601 is about 6481.3271017593. The cubic root of 42007601 is about 347.6236324925.

Adding to 42007601 its reverse (10670024), we get a palindrome (52677625).

The spelling of 42007601 in words is "forty-two million, seven thousand, six hundred one".