531425135 has 8 divisors (see below), whose sum is σ = 644024736. Its totient is φ = 420930400.

The previous prime is 531425129. The next prime is 531425161. The reversal of 531425135 is 531524135.

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

It is not a de Polignac number, because 531425135 - 2⁶ = 531425071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 531425098 and 531425107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525659 + ... + 526668.

It is an arithmetic number, because the mean of its divisors is an integer number (80503092).

Almost surely, 2^531425135 is an apocalyptic number.

531425135 is a deficient number, since it is larger than the sum of its proper divisors (112599601).

531425135 is a wasteful number, since it uses less digits than its factorization.

531425135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052433.

The product of its digits is 9000, while the sum is 29.

The square root of 531425135 is about 23052.6600417392. The cubic root of 531425135 is about 809.9919396647.

Adding to 531425135 its product of digits (9000), we get a palindrome (531434135).

The spelling of 531425135 in words is "five hundred thirty-one million, four hundred twenty-five thousand, one hundred thirty-five".