531403140325 has 24 divisors (see below), whose sum is σ = 665160552000. Its totient is φ = 421122831360.

The previous prime is 531403140277. The next prime is 531403140353. The reversal of 531403140325 is 523041304135.

It is not a de Polignac number, because 531403140325 - 2¹⁹ = 531402616037 is a prime.

It is a super-2 number, since 2×531403140325² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1389984 + ... + 1730566.

It is an arithmetic number, because the mean of its divisors is an integer number (27715023000).

Almost surely, 2^531403140325 is an apocalyptic number.

It is an amenable number.

531403140325 is a deficient number, since it is larger than the sum of its proper divisors (133757411675).

531403140325 is a wasteful number, since it uses less digits than its factorization.

531403140325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341181 (or 341176 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 531403140325 in words is "five hundred thirty-one billion, four hundred three million, one hundred forty thousand, three hundred twenty-five".