42754451 has 2 divisors, whose sum is σ = 42754452. Its totient is φ = 42754450.

The previous prime is 42754433. The next prime is 42754457. The reversal of 42754451 is 15445724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42754451 - 2¹⁰ = 42753427 is a prime.

It is a super-2 number, since 2×42754451² = 3655886160622802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42754457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21377225 + 21377226.

It is an arithmetic number, because the mean of its divisors is an integer number (21377226).

Almost surely, 2^42754451 is an apocalyptic number.

42754451 is a deficient number, since it is larger than the sum of its proper divisors (1).

42754451 is an equidigital number, since it uses as much as digits as its factorization.

42754451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22400, while the sum is 32.

The square root of 42754451 is about 6538.6887829289. The cubic root of 42754451 is about 349.6716676003.

The spelling of 42754451 in words is "forty-two million, seven hundred fifty-four thousand, four hundred fifty-one".