42531119 has 2 divisors, whose sum is σ = 42531120. Its totient is φ = 42531118.

The previous prime is 42531107. The next prime is 42531133. The reversal of 42531119 is 91113524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42531119 - 2¹⁶ = 42465583 is a prime.

It is a super-2 number, since 2×42531119² = 3617792166784322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42531169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21265559 + 21265560.

It is an arithmetic number, because the mean of its divisors is an integer number (21265560).

Almost surely, 2^42531119 is an apocalyptic number.

42531119 is a deficient number, since it is larger than the sum of its proper divisors (1).

42531119 is an equidigital number, since it uses as much as digits as its factorization.

42531119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 26.

The square root of 42531119 is about 6521.5886868155. The cubic root of 42531119 is about 349.0617564898.

The spelling of 42531119 in words is "forty-two million, five hundred thirty-one thousand, one hundred nineteen".