42411247 has 2 divisors, whose sum is σ = 42411248. Its totient is φ = 42411246.

The previous prime is 42411221. The next prime is 42411251. The reversal of 42411247 is 74211424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42411247 - 2¹⁹ = 41886959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42411217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21205623 + 21205624.

It is an arithmetic number, because the mean of its divisors is an integer number (21205624).

Almost surely, 2^42411247 is an apocalyptic number.

42411247 is a deficient number, since it is larger than the sum of its proper divisors (1).

42411247 is an equidigital number, since it uses as much as digits as its factorization.

42411247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792, while the sum is 25.

The square root of 42411247 is about 6512.3918033239. The cubic root of 42411247 is about 348.7335097524.

The spelling of 42411247 in words is "forty-two million, four hundred eleven thousand, two hundred forty-seven".