524160397 has 4 divisors (see below), whose sum is σ = 524842780. Its totient is φ = 523478016.

The previous prime is 524160383. The next prime is 524160419. The reversal of 524160397 is 793061425.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 385179876 + 138980521 = 19626^2 + 11789^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-524160397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524160797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340038 + ... + 341575.

It is an arithmetic number, because the mean of its divisors is an integer number (131210695).

Almost surely, 2^524160397 is an apocalyptic number.

It is an amenable number.

524160397 is a deficient number, since it is larger than the sum of its proper divisors (682383).

524160397 is an equidigital number, since it uses as much as digits as its factorization.

524160397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682382.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 524160397 is about 22894.5495041942. The cubic root of 524160397 is about 806.2840492641.

The spelling of 524160397 in words is "five hundred twenty-four million, one hundred sixty thousand, three hundred ninety-seven".