42235741 has 2 divisors, whose sum is σ = 42235742. Its totient is φ = 42235740.

The previous prime is 42235723. The next prime is 42235777. The reversal of 42235741 is 14753224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27258841 + 14976900 = 5221^2 + 3870^2 .

It is a cyclic number.

It is not a de Polignac number, because 42235741 - 2¹⁷ = 42104669 is a prime.

It is equal to p_2561068 and since 42235741 and 2561068 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 (42239741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21117870 + 21117871.

It is an arithmetic number, because the mean of its divisors is an integer number (21117871).

Almost surely, 2^42235741 is an apocalyptic number.

It is an amenable number.

42235741 is a deficient number, since it is larger than the sum of its proper divisors (1).

42235741 is an equidigital number, since it uses as much as digits as its factorization.

42235741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 28.

The square root of 42235741 is about 6498.9030612866. The cubic root of 42235741 is about 348.2518022797.

Adding to 42235741 its reverse (14753224), we get a palindrome (56988965).

It can be divided in two parts, 422 and 35741, that added together give a palindrome (36163).

The spelling of 42235741 in words is "forty-two million, two hundred thirty-five thousand, seven hundred forty-one".