525679 has 8 divisors (see below), whose sum is σ = 655488. Its totient is φ = 409560.

The previous prime is 525677. The next prime is 525697. The reversal of 525679 is 976525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 525679 - 2¹ = 525677 is a prime.

It is a super-2 number, since 2×525679² = 552676822082, which contains 22 as substring.

It is a Duffinian number.

525679 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3337 + ... + 3490.

It is an arithmetic number, because the mean of its divisors is an integer number (81936).

2⁵²⁵⁶⁷⁹ is an apocalyptic number.

525679 is a deficient number, since it is larger than the sum of its proper divisors (129809).

525679 is a wasteful number, since it uses less digits than its factorization.

525679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6845.

The product of its digits is 18900, while the sum is 34.

The square root of 525679 is about 725.0372404229. The cubic root of 525679 is about 80.7061956695.

It can be divided in two parts, 5256 and 79, that added together give a palindrome (5335).

The spelling of 525679 in words is "five hundred twenty-five thousand, six hundred seventy-nine".