525325693 has 2 divisors, whose sum is σ = 525325694. Its totient is φ = 525325692.

The previous prime is 525325649. The next prime is 525325709. The reversal of 525325693 is 396523525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 378964089 + 146361604 = 19467^2 + 12098^2 .

It is a cyclic number.

It is not a de Polignac number, because 525325693 - 2⁹ = 525325181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525325393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262662846 + 262662847.

It is an arithmetic number, because the mean of its divisors is an integer number (262662847).

Almost surely, 2^525325693 is an apocalyptic number.

It is an amenable number.

525325693 is a deficient number, since it is larger than the sum of its proper divisors (1).

525325693 is an equidigital number, since it uses as much as digits as its factorization.

525325693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 243000, while the sum is 40.

The square root of 525325693 is about 22919.9845767836. The cubic root of 525325693 is about 806.8811083422.

The spelling of 525325693 in words is "five hundred twenty-five million, three hundred twenty-five thousand, six hundred ninety-three".