42654319 has 2 divisors, whose sum is σ = 42654320. Its totient is φ = 42654318.

The previous prime is 42654307. The next prime is 42654371. The reversal of 42654319 is 91345624.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42654319 - 2²⁵ = 9099887 is a prime.

It is a super-2 number, since 2×42654319² = 3638781858707522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42654919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21327159 + 21327160.

It is an arithmetic number, because the mean of its divisors is an integer number (21327160).

Almost surely, 2^42654319 is an apocalyptic number.

42654319 is a deficient number, since it is larger than the sum of its proper divisors (1).

42654319 is an equidigital number, since it uses as much as digits as its factorization.

42654319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 42654319 is about 6531.0274076902. The cubic root of 42654319 is about 349.3984742661.

It can be divided in two parts, 426 and 54319, that added together give a palindrome (54745).

The spelling of 42654319 in words is "forty-two million, six hundred fifty-four thousand, three hundred nineteen".