42590927 has 2 divisors, whose sum is σ = 42590928. Its totient is φ = 42590926.

The previous prime is 42590921. The next prime is 42590957. The reversal of 42590927 is 72909524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42590927 - 2⁸ = 42590671 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42590921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21295463 + 21295464.

It is an arithmetic number, because the mean of its divisors is an integer number (21295464).

Almost surely, 2^42590927 is an apocalyptic number.

42590927 is a deficient number, since it is larger than the sum of its proper divisors (1).

42590927 is an equidigital number, since it uses as much as digits as its factorization.

42590927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 42590927 is about 6526.1724617114. The cubic root of 42590927 is about 349.2252987615.

The spelling of 42590927 in words is "forty-two million, five hundred ninety thousand, nine hundred twenty-seven".