42654013 has 2 divisors, whose sum is σ = 42654014. Its totient is φ = 42654012.

The previous prime is 42654011. The next prime is 42654023. The reversal of 42654013 is 31045624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22024249 + 20629764 = 4693^2 + 4542^2 .

It is a cyclic number.

It is not a de Polignac number, because 42654013 - 2¹ = 42654011 is a prime.

Together with 42654011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42654011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21327006 + 21327007.

It is an arithmetic number, because the mean of its divisors is an integer number (21327007).

Almost surely, 2^42654013 is an apocalyptic number.

It is an amenable number.

42654013 is a deficient number, since it is larger than the sum of its proper divisors (1).

42654013 is an equidigital number, since it uses as much as digits as its factorization.

42654013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 42654013 is about 6531.0039810124. The cubic root of 42654013 is about 349.3976387416.

Adding to 42654013 its reverse (31045624), we get a palindrome (73699637).

The spelling of 42654013 in words is "forty-two million, six hundred fifty-four thousand, thirteen".