42520327 has 2 divisors, whose sum is σ = 42520328. Its totient is φ = 42520326.

The previous prime is 42520273. The next prime is 42520337. The reversal of 42520327 is 72302524.

Together with previous prime (42520273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42520327 - 2⁷ = 42520199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42520337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21260163 + 21260164.

It is an arithmetic number, because the mean of its divisors is an integer number (21260164).

Almost surely, 2^42520327 is an apocalyptic number.

42520327 is a deficient number, since it is larger than the sum of its proper divisors (1).

42520327 is an equidigital number, since it uses as much as digits as its factorization.

42520327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 42520327 is about 6520.7612285683. The cubic root of 42520327 is about 349.0322299280.

The spelling of 42520327 in words is "forty-two million, five hundred twenty thousand, three hundred twenty-seven".