524921493 has 16 divisors (see below), whose sum is σ = 741437120. Its totient is φ = 329412096.

The previous prime is 524921491. The next prime is 524921503. The reversal of 524921493 is 394129425.

It is not a de Polignac number, because 524921493 - 2¹ = 524921491 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524921491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20380 + ... + 38277.

It is an arithmetic number, because the mean of its divisors is an integer number (46339820).

Almost surely, 2^524921493 is an apocalyptic number.

It is an amenable number.

524921493 is a deficient number, since it is larger than the sum of its proper divisors (216515627).

524921493 is a wasteful number, since it uses less digits than its factorization.

524921493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58836.

The product of its digits is 77760, while the sum is 39.

The square root of 524921493 is about 22911.1652475382. The cubic root of 524921493 is about 806.6741097561.

The spelling of 524921493 in words is "five hundred twenty-four million, nine hundred twenty-one thousand, four hundred ninety-three".