42605351 has 2 divisors, whose sum is σ = 42605352. Its totient is φ = 42605350.

The previous prime is 42605323. The next prime is 42605357. The reversal of 42605351 is 15350624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42605351 - 2⁶ = 42605287 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42605351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42605357) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21302675 + 21302676.

It is an arithmetic number, because the mean of its divisors is an integer number (21302676).

Almost surely, 2^42605351 is an apocalyptic number.

42605351 is a deficient number, since it is larger than the sum of its proper divisors (1).

42605351 is an equidigital number, since it uses as much as digits as its factorization.

42605351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 42605351 is about 6527.2774569494. The cubic root of 42605351 is about 349.2647176200.

Adding to 42605351 its reverse (15350624), we get a palindrome (57955975).

The spelling of 42605351 in words is "forty-two million, six hundred five thousand, three hundred fifty-one".