531274253537 has 2 divisors, whose sum is σ = 531274253538. Its totient is φ = 531274253536.

The previous prime is 531274253527. The next prime is 531274253567. The reversal of 531274253537 is 735352472135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 327057028321 + 204217225216 = 571889^2 + 451904^2 .

It is a cyclic number.

It is not a de Polignac number, because 531274253537 - 2¹⁰ = 531274252513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 531274253491 and 531274253500.

It is not a weakly prime, because it can be changed into another prime (531274253527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265637126768 + 265637126769.

It is an arithmetic number, because the mean of its divisors is an integer number (265637126769).

Almost surely, 2^531274253537 is an apocalyptic number.

It is an amenable number.

531274253537 is a deficient number, since it is larger than the sum of its proper divisors (1).

531274253537 is an equidigital number, since it uses as much as digits as its factorization.

531274253537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2646000, while the sum is 47.

The spelling of 531274253537 in words is "five hundred thirty-one billion, two hundred seventy-four million, two hundred fifty-three thousand, five hundred thirty-seven".