42260429 has 2 divisors, whose sum is σ = 42260430. Its totient is φ = 42260428.

The previous prime is 42260353. The next prime is 42260431. The reversal of 42260429 is 92406224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39980329 + 2280100 = 6323^2 + 1510^2 .

It is a cyclic number.

It is not a de Polignac number, because 42260429 - 2⁸ = 42260173 is a prime.

It is a Sophie Germain prime.

Together with 42260431, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42260459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21130214 + 21130215.

It is an arithmetic number, because the mean of its divisors is an integer number (21130215).

Almost surely, 2^42260429 is an apocalyptic number.

It is an amenable number.

42260429 is a deficient number, since it is larger than the sum of its proper divisors (1).

42260429 is an equidigital number, since it uses as much as digits as its factorization.

42260429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 42260429 is about 6500.8021812696. The cubic root of 42260429 is about 348.3196434465.

The spelling of 42260429 in words is "forty-two million, two hundred sixty thousand, four hundred twenty-nine".