42299437 has 2 divisors, whose sum is σ = 42299438. Its totient is φ = 42299436.

The previous prime is 42299431. The next prime is 42299441. The reversal of 42299437 is 73499224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25110121 + 17189316 = 5011^2 + 4146^2 .

It is a cyclic number.

It is not a de Polignac number, because 42299437 - 2¹⁵ = 42266669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42299437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42299431) 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, 21149718 + 21149719.

It is an arithmetic number, because the mean of its divisors is an integer number (21149719).

Almost surely, 2^42299437 is an apocalyptic number.

It is an amenable number.

42299437 is a deficient number, since it is larger than the sum of its proper divisors (1).

42299437 is an equidigital number, since it uses as much as digits as its factorization.

42299437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 42299437 is about 6503.8017343704. The cubic root of 42299437 is about 348.4267812947.

The spelling of 42299437 in words is "forty-two million, two hundred ninety-nine thousand, four hundred thirty-seven".