525257075653 has 2 divisors, whose sum is σ = 525257075654. Its totient is φ = 525257075652.

The previous prime is 525257075599. The next prime is 525257075659. The reversal of 525257075653 is 356570752525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 353826297889 + 171430777764 = 594833^2 + 414042^2 .

It is a cyclic number.

It is not a de Polignac number, because 525257075653 - 2²⁹ = 524720204741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 525257075653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525257075659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262628537826 + 262628537827.

It is an arithmetic number, because the mean of its divisors is an integer number (262628537827).

Almost surely, 2^525257075653 is an apocalyptic number.

It is an amenable number.

525257075653 is a deficient number, since it is larger than the sum of its proper divisors (1).

525257075653 is an equidigital number, since it uses as much as digits as its factorization.

525257075653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11025000, while the sum is 52.

The spelling of 525257075653 in words is "five hundred twenty-five billion, two hundred fifty-seven million, seventy-five thousand, six hundred fifty-three".