524347380 has 36 divisors (see below), whose sum is σ = 1590520932. Its totient is φ = 139825920.

The previous prime is 524347379. The next prime is 524347381. The reversal of 524347380 is 83743425.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (524347379) and next prime (524347381).

It can be written as a sum of positive squares in 2 ways, for example, as 73719396 + 450627984 = 8586^2 + 21228^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524347381) 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 11 ways as a sum of consecutive naturals, for example, 1456341 + ... + 1456700.

It is an arithmetic number, because the mean of its divisors is an integer number (44181137).

Almost surely, 2^524347380 is an apocalyptic number.

It is an amenable number.

524347380 is an abundant number, since it is smaller than the sum of its proper divisors (1066173552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

524347380 is a wasteful number, since it uses less digits than its factorization.

524347380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913056 (or 2913051 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 524347380 is about 22898.6327102733. The cubic root of 524347380 is about 806.3799127236.

The spelling of 524347380 in words is "five hundred twenty-four million, three hundred forty-seven thousand, three hundred eighty".