537525081256385 has 16 divisors (see below), whose sum is σ = 645246550961040. Its totient is φ = 429875768459520.

The previous prime is 537525081256367. The next prime is 537525081256391. The reversal of 537525081256385 is 583652180525735.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 143874363415696 + 393650717840689 = 11994764^2 + 19840633^2 .

It is not a de Polignac number, because 537525081256385 - 2⁸ = 537525081256129 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807211751 + ... + 807877379.

It is an arithmetic number, because the mean of its divisors is an integer number (40327909435065).

Almost surely, 2^{537525081256385} is an apocalyptic number.

It is an amenable number.

537525081256385 is a deficient number, since it is larger than the sum of its proper divisors (107721469704655).

537525081256385 is a wasteful number, since it uses less digits than its factorization.

537525081256385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719588.

The product of its (nonzero) digits is 302400000, while the sum is 65.

The spelling of 537525081256385 in words is "five hundred thirty-seven trillion, five hundred twenty-five billion, eighty-one million, two hundred fifty-six thousand, three hundred eighty-five".