524489813 has 4 divisors (see below), whose sum is σ = 552094560. Its totient is φ = 496885068.

The previous prime is 524489803. The next prime is 524489821. The reversal of 524489813 is 318984425.

It is a happy number.

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 524489813 - 2⁸ = 524489557 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 (524489803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13802345 + ... + 13802382.

It is an arithmetic number, because the mean of its divisors is an integer number (138023640).

Almost surely, 2^524489813 is an apocalyptic number.

It is an amenable number.

524489813 is a deficient number, since it is larger than the sum of its proper divisors (27604747).

524489813 is a wasteful number, since it uses less digits than its factorization.

524489813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27604746.

The product of its digits is 276480, while the sum is 44.

The square root of 524489813 is about 22901.7425756207. The cubic root of 524489813 is about 806.4529207563.

The spelling of 524489813 in words is "five hundred twenty-four million, four hundred eighty-nine thousand, eight hundred thirteen".