531203253555047 has 2 divisors, whose sum is σ = 531203253555048. Its totient is φ = 531203253555046.

The previous prime is 531203253555041. The next prime is 531203253555061. The reversal of 531203253555047 is 740555352302135.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 531203253555047 - 2¹² = 531203253550951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 531203253554986 and 531203253555004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531203253555041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265601626777523 + 265601626777524.

It is an arithmetic number, because the mean of its divisors is an integer number (265601626777524).

Almost surely, 2^{531203253555047} is an apocalyptic number.

531203253555047 is a deficient number, since it is larger than the sum of its proper divisors (1).

531203253555047 is an equidigital number, since it uses as much as digits as its factorization.

531203253555047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450000, while the sum is 50.

The spelling of 531203253555047 in words is "five hundred thirty-one trillion, two hundred three billion, two hundred fifty-three million, five hundred fifty-five thousand, forty-seven".