42514243 has 2 divisors, whose sum is σ = 42514244. Its totient is φ = 42514242.

The previous prime is 42514223. The next prime is 42514249. The reversal of 42514243 is 34241524.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42514243 is a prime.

It is not a weakly prime, because it can be changed into another prime (42514249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21257121 + 21257122.

It is an arithmetic number, because the mean of its divisors is an integer number (21257122).

Almost surely, 2^42514243 is an apocalyptic number.

42514243 is a deficient number, since it is larger than the sum of its proper divisors (1).

42514243 is an equidigital number, since it uses as much as digits as its factorization.

42514243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 25.

The square root of 42514243 is about 6520.2947019287. The cubic root of 42514243 is about 349.0155820992.

Adding to 42514243 its reverse (34241524), we get a palindrome (76755767).

The spelling of 42514243 in words is "forty-two million, five hundred fourteen thousand, two hundred forty-three".