524420531 has 8 divisors (see below), whose sum is σ = 537277104. Its totient is φ = 511673760.

The previous prime is 524420503. The next prime is 524420551. The reversal of 524420531 is 135024425.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 524420531 - 2¹⁴ = 524404147 is a prime.

It is a super-2 number, since 2×524420531² = 550033786668643922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 524420531.

It is not an unprimeable number, because it can be changed into a prime (524420551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17741 + ... + 36926.

It is an arithmetic number, because the mean of its divisors is an integer number (67159638).

Almost surely, 2^524420531 is an apocalyptic number.

524420531 is a deficient number, since it is larger than the sum of its proper divisors (12856573).

524420531 is a wasteful number, since it uses less digits than its factorization.

524420531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54901.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 524420531 is about 22900.2299333435. The cubic root of 524420531 is about 806.4174099734.

Adding to 524420531 its reverse (135024425), we get a palindrome (659444956).

The spelling of 524420531 in words is "five hundred twenty-four million, four hundred twenty thousand, five hundred thirty-one".