427515 has 16 divisors (see below), whose sum is σ = 746496. Its totient is φ = 207200.

The previous prime is 427513. The next prime is 427517. The reversal of 427515 is 515724.

It is an interprime number because it is at equal distance from previous prime (427513) and next prime (427517).

It is not a de Polignac number, because 427515 - 2¹ = 427513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1131 + ... + 1460.

It is an arithmetic number, because the mean of its divisors is an integer number (46656).

2⁴²⁷⁵¹⁵ is an apocalyptic number.

427515 is a deficient number, since it is larger than the sum of its proper divisors (318981).

427515 is a wasteful number, since it uses less digits than its factorization.

427515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610.

The product of its digits is 1400, while the sum is 24.

The square root of 427515 is about 653.8463122172. The cubic root of 427515 is about 75.3327437933.

Subtracting 427515 from its reverse (515724), we obtain a square (88209 = 297²).

It can be divided in two parts, 42 and 7515, that added together give a palindrome (7557).

The spelling of 427515 in words is "four hundred twenty-seven thousand, five hundred fifteen".