4520427 has 4 divisors (see below), whose sum is σ = 6027240. Its totient is φ = 3013616.

The previous prime is 4520407. The next prime is 4520431. The reversal of 4520427 is 7240254.

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 4520427 - 2⁸ = 4520171 is a prime.

It is a D-number.

4520427 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4520397 and 4520406.

It is not an unprimeable number, because it can be changed into a prime (4520407) 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, 753402 + ... + 753407.

It is an arithmetic number, because the mean of its divisors is an integer number (1506810).

Almost surely, 2^4520427 is an apocalyptic number.

4520427 is a deficient number, since it is larger than the sum of its proper divisors (1506813).

4520427 is a wasteful number, since it uses less digits than its factorization.

4520427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506812.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 4520427 is about 2126.1295821281. The cubic root of 4520427 is about 165.3457945465.

The spelling of 4520427 in words is "four million, five hundred twenty thousand, four hundred twenty-seven".