42671051 has 2 divisors, whose sum is σ = 42671052. Its totient is φ = 42671050.

The previous prime is 42671033. The next prime is 42671059. The reversal of 42671051 is 15017624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42671051 - 2¹⁰ = 42670027 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42671051.

It is not a weakly prime, because it can be changed into another prime (42671059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21335525 + 21335526.

It is an arithmetic number, because the mean of its divisors is an integer number (21335526).

Almost surely, 2^42671051 is an apocalyptic number.

42671051 is a deficient number, since it is larger than the sum of its proper divisors (1).

42671051 is an equidigital number, since it uses as much as digits as its factorization.

42671051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 42671051 is about 6532.3082444110. The cubic root of 42671051 is about 349.4441544469. Note that the first 3 decimals are identical.

Adding to 42671051 its reverse (15017624), we get a palindrome (57688675).

The spelling of 42671051 in words is "forty-two million, six hundred seventy-one thousand, fifty-one".