42154267 has 2 divisors, whose sum is σ = 42154268. Its totient is φ = 42154266.

The previous prime is 42154243. The next prime is 42154279. The reversal of 42154267 is 76245124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42154267 - 2¹⁹ = 41629979 is a prime.

It is not a weakly prime, because it can be changed into another prime (42154367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21077133 + 21077134.

It is an arithmetic number, because the mean of its divisors is an integer number (21077134).

Almost surely, 2^42154267 is an apocalyptic number.

42154267 is a deficient number, since it is larger than the sum of its proper divisors (1).

42154267 is an equidigital number, since it uses as much as digits as its factorization.

42154267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 31.

The square root of 42154267 is about 6492.6317468343. The cubic root of 42154267 is about 348.0277287765.

The spelling of 42154267 in words is "forty-two million, one hundred fifty-four thousand, two hundred sixty-seven".