427613 has 4 divisors (see below), whose sum is σ = 429408. Its totient is φ = 425820.

The previous prime is 427597. The next prime is 427619. The reversal of 427613 is 316724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 427613 - 2⁴ = 427597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427619) 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, 473 + ... + 1038.

It is an arithmetic number, because the mean of its divisors is an integer number (107352).

2⁴²⁷⁶¹³ is an apocalyptic number.

It is an amenable number.

427613 is a deficient number, since it is larger than the sum of its proper divisors (1795).

427613 is a wasteful number, since it uses less digits than its factorization.

427613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794.

The product of its digits is 1008, while the sum is 23.

The square root of 427613 is about 653.9212490813. The cubic root of 427613 is about 75.3384995717.

Subtracting from 427613 its reverse (316724), we obtain a square (110889 = 333²).

The spelling of 427613 in words is "four hundred twenty-seven thousand, six hundred thirteen".