524642431 has 8 divisors (see below), whose sum is σ = 527631104. Its totient is φ = 521662680.

The previous prime is 524642413. The next prime is 524642449. The reversal of 524642431 is 134246425.

It is an interprime number because it is at equal distance from previous prime (524642413) and next prime (524642449).

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 524642431 - 2⁹ = 524641919 is a prime.

It is a super-2 number, since 2×524642431² = 550499360811179522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 524642393 and 524642402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524642411) 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, 140296 + ... + 143986.

It is an arithmetic number, because the mean of its divisors is an integer number (65953888).

Almost surely, 2^524642431 is an apocalyptic number.

524642431 is a deficient number, since it is larger than the sum of its proper divisors (2988673).

524642431 is a wasteful number, since it uses less digits than its factorization.

524642431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4461.

The product of its digits is 23040, while the sum is 31.

The square root of 524642431 is about 22905.0743504578. The cubic root of 524642431 is about 806.5311347290.

Adding to 524642431 its reverse (134246425), we get a palindrome (658888856).

The spelling of 524642431 in words is "five hundred twenty-four million, six hundred forty-two thousand, four hundred thirty-one".