52042427 has 4 divisors (see below), whose sum is σ = 53252760. Its totient is φ = 50832096.

The previous prime is 52042421. The next prime is 52042439. The reversal of 52042427 is 72424025.

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 52042427 - 2⁸ = 52042171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52042396 and 52042405.

It is not an unprimeable number, because it can be changed into a prime (52042421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605102 + ... + 605187.

It is an arithmetic number, because the mean of its divisors is an integer number (13313190).

Almost surely, 2^52042427 is an apocalyptic number.

52042427 is a deficient number, since it is larger than the sum of its proper divisors (1210333).

52042427 is a wasteful number, since it uses less digits than its factorization.

52042427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210332.

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

The square root of 52042427 is about 7214.0437342728. The cubic root of 52042427 is about 373.3526004264.

The spelling of 52042427 in words is "fifty-two million, forty-two thousand, four hundred twenty-seven".