531225354546534 has 24 divisors (see below), whose sum is σ = 1066600845136008. Its totient is φ = 176386109808640.

The previous prime is 531225354546533. The next prime is 531225354546539. The reversal of 531225354546534 is 435645453522135.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531225354546533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 669845187 + ... + 670637774.

It is an arithmetic number, because the mean of its divisors is an integer number (44441701880667).

Almost surely, 2^{531225354546534} is an apocalyptic number.

531225354546534 is an abundant number, since it is smaller than the sum of its proper divisors (535375490589474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531225354546534 is a wasteful number, since it uses less digits than its factorization.

531225354546534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340483480 (or 1340483223 counting only the distinct ones).

The product of its digits is 129600000, while the sum is 57.

The spelling of 531225354546534 in words is "five hundred thirty-one trillion, two hundred twenty-five billion, three hundred fifty-four million, five hundred forty-six thousand, five hundred thirty-four".