42726353 has 2 divisors, whose sum is σ = 42726354. Its totient is φ = 42726352.

The previous prime is 42726311. The next prime is 42726361. The reversal of 42726353 is 35362724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40857664 + 1868689 = 6392^2 + 1367^2 .

It is a cyclic number.

It is not a de Polignac number, because 42726353 - 2¹² = 42722257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_2589044 and since 42726353 and 2589044 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (42726653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21363176 + 21363177.

It is an arithmetic number, because the mean of its divisors is an integer number (21363177).

Almost surely, 2^42726353 is an apocalyptic number.

It is an amenable number.

42726353 is a deficient number, since it is larger than the sum of its proper divisors (1).

42726353 is an equidigital number, since it uses as much as digits as its factorization.

42726353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 32.

The square root of 42726353 is about 6536.5398338877. The cubic root of 42726353 is about 349.5950500209.

The spelling of 42726353 in words is "forty-two million, seven hundred twenty-six thousand, three hundred fifty-three".