42034351 has 2 divisors, whose sum is σ = 42034352. Its totient is φ = 42034350.

The previous prime is 42034339. The next prime is 42034361. The reversal of 42034351 is 15343024.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42034351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42034301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21017175 + 21017176.

It is an arithmetic number, because the mean of its divisors is an integer number (21017176).

Almost surely, 2^42034351 is an apocalyptic number.

42034351 is a deficient number, since it is larger than the sum of its proper divisors (1).

42034351 is an equidigital number, since it uses as much as digits as its factorization.

42034351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 42034351 is about 6483.3903939220. The cubic root of 42034351 is about 347.6974045307.

Adding to 42034351 its reverse (15343024), we get a palindrome (57377375).

The spelling of 42034351 in words is "forty-two million, thirty-four thousand, three hundred fifty-one".