525197 has 4 divisors (see below), whose sum is σ = 530400. Its totient is φ = 519996.

The previous prime is 525193. The next prime is 525199. The reversal of 525197 is 791525.

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 525197 - 2² = 525193 is a prime.

It is a d-powerful number, because it can be written as 5 + 2¹⁹ + 1 + 5³ + 9³ + 7² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2447 + ... + 2652.

It is an arithmetic number, because the mean of its divisors is an integer number (132600).

2⁵²⁵¹⁹⁷ is an apocalyptic number.

It is an amenable number.

525197 is a deficient number, since it is larger than the sum of its proper divisors (5203).

525197 is a wasteful number, since it uses less digits than its factorization.

525197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5202.

The product of its digits is 3150, while the sum is 29.

The square root of 525197 is about 724.7047674743. The cubic root of 525197 is about 80.6815213709.

The spelling of 525197 in words is "five hundred twenty-five thousand, one hundred ninety-seven".