531425351403 has 48 divisors (see below), whose sum is σ = 843504480000. Its totient is φ = 320907749184.

The previous prime is 531425351389. The next prime is 531425351423. The reversal of 531425351403 is 304153524135.

531425351403 is a `hidden beast` number, since 5 + 314 + 253 + 51 + 40 + 3 = 666.

It is not a de Polignac number, because 531425351403 - 2⁹ = 531425350891 is a prime.

It is a super-2 number, since 2×531425351403² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (531425351423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9643773 + ... + 9698721.

It is an arithmetic number, because the mean of its divisors is an integer number (17573010000).

Almost surely, 2^531425351403 is an apocalyptic number.

531425351403 is a deficient number, since it is larger than the sum of its proper divisors (312079128597).

531425351403 is a wasteful number, since it uses less digits than its factorization.

531425351403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57456 (or 57453 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 531425351403 its reverse (304153524135), we get a palindrome (835578875538).

The spelling of 531425351403 in words is "five hundred thirty-one billion, four hundred twenty-five million, three hundred fifty-one thousand, four hundred three".