42184697 has 2 divisors, whose sum is σ = 42184698. Its totient is φ = 42184696.

The previous prime is 42184663. The next prime is 42184711. The reversal of 42184697 is 79648124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34916281 + 7268416 = 5909^2 + 2696^2 .

It is a cyclic number.

It is not a de Polignac number, because 42184697 - 2¹² = 42180601 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42184627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21092348 + 21092349.

It is an arithmetic number, because the mean of its divisors is an integer number (21092349).

Almost surely, 2^42184697 is an apocalyptic number.

It is an amenable number.

42184697 is a deficient number, since it is larger than the sum of its proper divisors (1).

42184697 is an equidigital number, since it uses as much as digits as its factorization.

42184697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 41.

The square root of 42184697 is about 6494.9747497585. The cubic root of 42184697 is about 348.1114524992. Note that the first 3 decimals are identical.

The spelling of 42184697 in words is "forty-two million, one hundred eighty-four thousand, six hundred ninety-seven".