42656753 has 2 divisors, whose sum is σ = 42656754. Its totient is φ = 42656752.

The previous prime is 42656749. The next prime is 42656773. The reversal of 42656753 is 35765624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27384289 + 15272464 = 5233^2 + 3908^2 .

It is a cyclic number.

It is not a de Polignac number, because 42656753 - 2² = 42656749 is a prime.

It is not a weakly prime, because it can be changed into another prime (42656773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21328376 + 21328377.

It is an arithmetic number, because the mean of its divisors is an integer number (21328377).

Almost surely, 2^42656753 is an apocalyptic number.

It is an amenable number.

42656753 is a deficient number, since it is larger than the sum of its proper divisors (1).

42656753 is an equidigital number, since it uses as much as digits as its factorization.

42656753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 38.

The square root of 42656753 is about 6531.2137463109. The cubic root of 42656753 is about 349.4051200934.

The spelling of 42656753 in words is "forty-two million, six hundred fifty-six thousand, seven hundred fifty-three".