42061337 has 2 divisors, whose sum is σ = 42061338. Its totient is φ = 42061336.

The previous prime is 42061321. The next prime is 42061343. The reversal of 42061337 is 73316024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39677401 + 2383936 = 6299^2 + 1544^2 .

It is a cyclic number.

It is not a de Polignac number, because 42061337 - 2⁴ = 42061321 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42061387) 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, 21030668 + 21030669.

It is an arithmetic number, because the mean of its divisors is an integer number (21030669).

Almost surely, 2^42061337 is an apocalyptic number.

It is an amenable number.

42061337 is a deficient number, since it is larger than the sum of its proper divisors (1).

42061337 is an equidigital number, since it uses as much as digits as its factorization.

42061337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 42061337 is about 6485.4712242057. The cubic root of 42061337 is about 347.7717957108.

The spelling of 42061337 in words is "forty-two million, sixty-one thousand, three hundred thirty-seven".