42625127 has 2 divisors, whose sum is σ = 42625128. Its totient is φ = 42625126.

The previous prime is 42625057. The next prime is 42625129. The reversal of 42625127 is 72152624.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42625127 - 2¹⁰ = 42624103 is a prime.

It is a super-2 number, since 2×42625127² = 3633802903532258, which contains 22 as substring.

Together with 42625129, it forms a pair of twin primes.

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 42625127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42625129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21312563 + 21312564.

It is an arithmetic number, because the mean of its divisors is an integer number (21312564).

Almost surely, 2^42625127 is an apocalyptic number.

42625127 is a deficient number, since it is larger than the sum of its proper divisors (1).

42625127 is an equidigital number, since it uses as much as digits as its factorization.

42625127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 29.

The square root of 42625127 is about 6528.7921547557. The cubic root of 42625127 is about 349.3187483187.

The spelling of 42625127 in words is "forty-two million, six hundred twenty-five thousand, one hundred twenty-seven".