525347 has 4 divisors (see below), whose sum is σ = 533256. Its totient is φ = 517440.

The previous prime is 525313. The next prime is 525353. The reversal of 525347 is 743525.

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 525347 - 2¹² = 521251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3854 + ... + 3987.

It is an arithmetic number, because the mean of its divisors is an integer number (133314).

2⁵²⁵³⁴⁷ is an apocalyptic number.

525347 is a deficient number, since it is larger than the sum of its proper divisors (7909).

525347 is an equidigital number, since it uses as much as digits as its factorization.

525347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7908.

The product of its digits is 4200, while the sum is 26.

The square root of 525347 is about 724.8082505049. The cubic root of 525347 is about 80.6892017120.

It can be divided in two parts, 5 and 25347, that added together give a palindrome (25352).

The spelling of 525347 in words is "five hundred twenty-five thousand, three hundred forty-seven".