524405106431 has 4 divisors (see below), whose sum is σ = 525051722664. Its totient is φ = 523758490200.

The previous prime is 524405106427. The next prime is 524405106443. The reversal of 524405106431 is 134601504425.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 524405106431 - 2² = 524405106427 is a prime.

It is a super-2 number, since 2×524405106431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 524405106391 and 524405106400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524405106481) 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, 323306900 + ... + 323308521.

It is an arithmetic number, because the mean of its divisors is an integer number (131262930666).

Almost surely, 2^524405106431 is an apocalyptic number.

524405106431 is a deficient number, since it is larger than the sum of its proper divisors (646616233).

524405106431 is an equidigital number, since it uses as much as digits as its factorization.

524405106431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646616232.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 524405106431 in words is "five hundred twenty-four billion, four hundred five million, one hundred six thousand, four hundred thirty-one".