42402527 has 4 divisors (see below), whose sum is σ = 42822456. Its totient is φ = 41982600.

The previous prime is 42402523. The next prime is 42402551. The reversal of 42402527 is 72520424.

42402527 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42402527 - 2² = 42402523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42402496 and 42402505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42402523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209813 + ... + 210014.

It is an arithmetic number, because the mean of its divisors is an integer number (10705614).

Almost surely, 2^42402527 is an apocalyptic number.

42402527 is a deficient number, since it is larger than the sum of its proper divisors (419929).

42402527 is a wasteful number, since it uses less digits than its factorization.

42402527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419928.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 42402527 is about 6511.7222760188. The cubic root of 42402527 is about 348.7096075657.

The spelling of 42402527 in words is "forty-two million, four hundred two thousand, five hundred twenty-seven".