525381953 has 2 divisors, whose sum is σ = 525381954. Its totient is φ = 525381952.

The previous prime is 525381947. The next prime is 525381971. The reversal of 525381953 is 359183525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 360696064 + 164685889 = 18992^2 + 12833^2 .

It is a cyclic number.

It is not a de Polignac number, because 525381953 - 2²⁶ = 458273089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 525381953.

It is not a weakly prime, because it can be changed into another prime (525381653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262690976 + 262690977.

It is an arithmetic number, because the mean of its divisors is an integer number (262690977).

Almost surely, 2^525381953 is an apocalyptic number.

It is an amenable number.

525381953 is a deficient number, since it is larger than the sum of its proper divisors (1).

525381953 is an equidigital number, since it uses as much as digits as its factorization.

525381953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 41.

The square root of 525381953 is about 22921.2118571423. The cubic root of 525381953 is about 806.9099117502.

The spelling of 525381953 in words is "five hundred twenty-five million, three hundred eighty-one thousand, nine hundred fifty-three".