42414187 has 2 divisors, whose sum is σ = 42414188. Its totient is φ = 42414186.

The previous prime is 42414179. The next prime is 42414221. The reversal of 42414187 is 78141424.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42414187 - 2³ = 42414179 is a prime.

It is not a weakly prime, because it can be changed into another prime (42414287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21207093 + 21207094.

It is an arithmetic number, because the mean of its divisors is an integer number (21207094).

Almost surely, 2^42414187 is an apocalyptic number.

42414187 is a deficient number, since it is larger than the sum of its proper divisors (1).

42414187 is an equidigital number, since it uses as much as digits as its factorization.

42414187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7168, while the sum is 31.

The square root of 42414187 is about 6512.6175229319. The cubic root of 42414187 is about 348.7415677787.

The spelling of 42414187 in words is "forty-two million, four hundred fourteen thousand, one hundred eighty-seven".